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href="//donate.wikimedia.org/wiki/Special:FundraiserRedirector?utm_source=donate&utm_medium=sidebar&utm_campaign=C13_as.wikipedia.org&uselang=as"><span>দান কৰক</span></a></li><li id="pt-createaccount" class="user-links-collapsible-item mw-list-item"><a href="/w/index.php?title=%E0%A6%AC%E0%A6%BF%E0%A6%B6%E0%A7%87%E0%A6%B7:%E0%A6%B8%E0%A6%A6%E0%A6%B8%E0%A7%8D%E0%A6%AF%E0%A6%AD%E0%A7%81%E0%A6%95%E0%A7%8D%E0%A6%A4%E0%A6%BF&returnto=%E0%A6%A6%E0%A7%8D%E0%A7%B0%E0%A7%81%E0%A6%A4%E0%A6%BF" title="আপোনাক এটা একাউণ্ট সৃষ্টি কৰি প্ৰৱেশ কৰিবলৈ অনুৰোধ জনোৱা হৈছে, কিন্তু এয়া বাধ্যতামূলক নহয়"><span class="vector-icon mw-ui-icon-userAdd mw-ui-icon-wikimedia-userAdd"></span> <span>একাউণ্ট সৃষ্টি কৰক</span></a></li><li id="pt-login" class="user-links-collapsible-item mw-list-item"><a href="/w/index.php?title=%E0%A6%AC%E0%A6%BF%E0%A6%B6%E0%A7%87%E0%A6%B7:%E0%A6%B8%E0%A6%A6%E0%A6%B8%E0%A7%8D%E0%A6%AF%E0%A7%B0_%E0%A6%AA%E0%A7%8D%E0%A7%B0%E0%A7%B1%E0%A7%87%E0%A6%B6&returnto=%E0%A6%A6%E0%A7%8D%E0%A7%B0%E0%A7%81%E0%A6%A4%E0%A6%BF" title="বাধ্যতামূলক নহ'লেও প্ৰৱেশ কৰাটো বাঞ্চনীয় [o]" accesskey="o"><span class="vector-icon mw-ui-icon-logIn mw-ui-icon-wikimedia-logIn"></span> <span>প্ৰৱেশ</span></a></li> </ul> </div> </div> <div id="p-user-menu-anon-editor" class="vector-menu mw-portlet mw-portlet-user-menu-anon-editor" > <div class="vector-menu-heading"> লগ-আউট কৰা সদস্যৰ বাবে পৃষ্ঠাসমূহ <a href="/wiki/%E0%A6%B8%E0%A6%B9%E0%A6%BE%E0%A6%AF%E0%A6%BC:%E0%A6%AA%E0%A7%B0%E0%A6%BF%E0%A6%9A%E0%A6%AF%E0%A6%BC" aria-label="সম্পাদনাৰ বিষয়ে অধিক জানক"><span>অধিক শিকক</span></a> </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="pt-anoncontribs" class="mw-list-item"><a href="/wiki/%E0%A6%AC%E0%A6%BF%E0%A6%B6%E0%A7%87%E0%A6%B7:%E0%A6%AE%E0%A7%8B%E0%A7%B0_%E0%A6%AC%E0%A7%B0%E0%A6%99%E0%A6%A8%E0%A6%BF" title="A list of edits made from this IP address [y]" accesskey="y"><span>বৰঙণি</span></a></li><li id="pt-anontalk" class="mw-list-item"><a href="/wiki/%E0%A6%AC%E0%A6%BF%E0%A6%B6%E0%A7%87%E0%A6%B7:%E0%A6%AE%E0%A7%8B%E0%A7%B0_%E0%A6%95%E0%A6%A5%E0%A7%8B%E0%A6%AA%E0%A6%95%E0%A6%A5%E0%A6%A8" title="এই আই.পি. ঠিকনাৰ পৰা কৰা সম্পাদনাসমূহৰ আলোচনা [n]" accesskey="n"><span>এই IPটোৰে যোগাযোগ কৰক</span></a></li> </ul> </div> </div> </div> </div> </nav> </div> </header> </div> <div class="mw-page-container"> <div class="mw-page-container-inner"> <div class="vector-sitenotice-container"> <div id="siteNotice"><div id="mw-dismissablenotice-anonplace"></div><script>(function(){var node=document.getElementById("mw-dismissablenotice-anonplace");if(node){node.outerHTML="\u003Cdiv class=\"mw-dismissable-notice\"\u003E\u003Cdiv 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class="vector-sticky-pinned-container"> <nav id="mw-panel-toc" aria-label="সূচী" data-event-name="ui.sidebar-toc" class="mw-table-of-contents-container vector-toc-landmark"> <div id="vector-toc-pinned-container" class="vector-pinned-container"> <div id="vector-toc" class="vector-toc vector-pinnable-element"> <div class="vector-pinnable-header vector-toc-pinnable-header vector-pinnable-header-pinned" data-feature-name="toc-pinned" data-pinnable-element-id="vector-toc" > <h2 class="vector-pinnable-header-label">সূচী</h2> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-toc.pin">পাৰ্শ্বদণ্ডলৈ যাওক</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-toc.unpin">লুকুৱাওক</button> </div> <ul class="vector-toc-contents" id="mw-panel-toc-list"> <li id="toc-mw-content-text" class="vector-toc-list-item vector-toc-level-1"> <a href="#" class="vector-toc-link"> <div class="vector-toc-text">পাতনি</div> </a> </li> <li id="toc-দ্ৰতিৰ_সংজ্ঞা_কিমান" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#দ্ৰতিৰ_সংজ্ঞা_কিমান"> <div class="vector-toc-text"> <span class="vector-toc-numb">1</span> <span>দ্ৰতিৰ সংজ্ঞা কিমান</span> </div> </a> <button aria-controls="toc-দ্ৰতিৰ_সংজ্ঞা_কিমান-sublist" class="cdx-button cdx-button--weight-quiet cdx-button--icon-only vector-toc-toggle"> <span class="vector-icon mw-ui-icon-wikimedia-expand"></span> <span>দ্ৰতিৰ সংজ্ঞা কিমান উপ-অনুচ্ছেদ টগ'ল কৰক</span> </button> <ul id="toc-দ্ৰতিৰ_সংজ্ঞা_কিমান-sublist" class="vector-toc-list"> <li id="toc-ইতিহাস" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#ইতিহাস"> <div class="vector-toc-text"> <span class="vector-toc-numb">1.1</span> <span>ইতিহাস</span> </div> </a> <ul id="toc-ইতিহাস-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-তাৎক্ষণিক_দ্ৰুতি" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#তাৎক্ষণিক_দ্ৰুতি"> <div class="vector-toc-text"> <span class="vector-toc-numb">1.2</span> <span>তাৎক্ষণিক দ্ৰুতি</span> </div> </a> <ul id="toc-তাৎক্ষণিক_দ্ৰুতি-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-গড়_দ্ৰুতি" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#গড়_দ্ৰুতি"> <div class="vector-toc-text"> <span class="vector-toc-numb">1.3</span> <span>গড় দ্ৰুতি</span> </div> </a> <ul id="toc-গড়_দ্ৰুতি-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-স্পৰ্শকীয়_গতি" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#স্পৰ্শকীয়_গতি"> <div class="vector-toc-text"> <span class="vector-toc-numb">1.4</span> <span>স্পৰ্শকীয় গতি</span> </div> </a> <ul id="toc-স্পৰ্শকীয়_গতি-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-তথ্য_সংগ্ৰহ" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#তথ্য_সংগ্ৰহ"> <div class="vector-toc-text"> <span class="vector-toc-numb">2</span> <span>তথ্য সংগ্ৰহ</span> </div> </a> <ul id="toc-তথ্য_সংগ্ৰহ-sublist" class="vector-toc-list"> </ul> </li> </ul> </div> </div> </nav> </div> </div> <div class="mw-content-container"> <main id="content" class="mw-body"> <header class="mw-body-header vector-page-titlebar"> <nav aria-label="সূচী" class="vector-toc-landmark"> <div id="vector-page-titlebar-toc" class="vector-dropdown vector-page-titlebar-toc vector-button-flush-left" > <input type="checkbox" id="vector-page-titlebar-toc-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-page-titlebar-toc" class="vector-dropdown-checkbox " aria-label="সূচীপত্ৰ টগ'ল কৰক" > <label id="vector-page-titlebar-toc-label" for="vector-page-titlebar-toc-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-listBullet mw-ui-icon-wikimedia-listBullet"></span> <span class="vector-dropdown-label-text">সূচীপত্ৰ টগ'ল কৰক</span> </label> <div class="vector-dropdown-content"> <div id="vector-page-titlebar-toc-unpinned-container" class="vector-unpinned-container"> </div> </div> </div> </nav> <h1 id="firstHeading" class="firstHeading mw-first-heading"><span class="mw-page-title-main">দ্ৰুতি</span></h1> <div id="p-lang-btn" class="vector-dropdown mw-portlet mw-portlet-lang" > <input type="checkbox" id="p-lang-btn-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-p-lang-btn" class="vector-dropdown-checkbox mw-interlanguage-selector" aria-label="অন্য এটা ভাষাৰ প্ৰবন্ধলৈ যাওক। 84টা ভাষাত উপলব্ধ।" > <label id="p-lang-btn-label" for="p-lang-btn-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--action-progressive mw-portlet-lang-heading-84" aria-hidden="true" ><span class="vector-icon mw-ui-icon-language-progressive mw-ui-icon-wikimedia-language-progressive"></span> <span class="vector-dropdown-label-text">84টা ভাষা</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-af mw-list-item"><a href="https://af.wikipedia.org/wiki/Spoed" title="Spoed – আফ্ৰিকানছ্" lang="af" hreflang="af" data-title="Spoed" data-language-autonym="Afrikaans" data-language-local-name="আফ্ৰিকানছ্" class="interlanguage-link-target"><span>Afrikaans</span></a></li><li class="interlanguage-link interwiki-am mw-list-item"><a href="https://am.wikipedia.org/wiki/%E1%8C%A5%E1%8B%B5%E1%8D%88%E1%89%B5" title="ጥድፈት – আমহাৰিক" lang="am" hreflang="am" data-title="ጥድፈት" data-language-autonym="አማርኛ" data-language-local-name="আমহাৰিক" class="interlanguage-link-target"><span>አማርኛ</span></a></li><li class="interlanguage-link interwiki-ar mw-list-item"><a href="https://ar.wikipedia.org/wiki/%D8%B3%D8%B1%D8%B9%D8%A9" title="سرعة – আৰবী" lang="ar" hreflang="ar" data-title="سرعة" data-language-autonym="العربية" data-language-local-name="আৰবী" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-ary mw-list-item"><a href="https://ary.wikipedia.org/wiki/%D8%B2%D8%B1%D8%A8%D8%A9" title="زربة – Moroccan Arabic" lang="ary" hreflang="ary" data-title="زربة" data-language-autonym="الدارجة" data-language-local-name="Moroccan Arabic" class="interlanguage-link-target"><span>الدارجة</span></a></li><li class="interlanguage-link interwiki-ast mw-list-item"><a href="https://ast.wikipedia.org/wiki/Rapidez" title="Rapidez – এষ্টুৰীয়" lang="ast" hreflang="ast" data-title="Rapidez" data-language-autonym="Asturianu" data-language-local-name="এষ্টুৰীয়" class="interlanguage-link-target"><span>Asturianu</span></a></li><li class="interlanguage-link interwiki-az mw-list-item"><a href="https://az.wikipedia.org/wiki/S%C3%BCr%C9%99t" title="Sürət – আজেৰবাইজানী" lang="az" hreflang="az" data-title="Sürət" data-language-autonym="Azərbaycanca" data-language-local-name="আজেৰবাইজানী" class="interlanguage-link-target"><span>Azərbaycanca</span></a></li><li class="interlanguage-link interwiki-azb mw-list-item"><a href="https://azb.wikipedia.org/wiki/%DB%8C%D8%A6%DB%8C%DB%8C%D9%86%D9%84%DB%8C%DA%A9" title="یئیینلیک – South Azerbaijani" lang="azb" hreflang="azb" data-title="یئیینلیک" data-language-autonym="تۆرکجه" data-language-local-name="South Azerbaijani" class="interlanguage-link-target"><span>تۆرکجه</span></a></li><li class="interlanguage-link interwiki-bat-smg mw-list-item"><a href="https://bat-smg.wikipedia.org/wiki/Veikis" title="Veikis – Samogitian" lang="sgs" hreflang="sgs" data-title="Veikis" data-language-autonym="Žemaitėška" data-language-local-name="Samogitian" class="interlanguage-link-target"><span>Žemaitėška</span></a></li><li class="interlanguage-link interwiki-bcl mw-list-item"><a href="https://bcl.wikipedia.org/wiki/Rikas" title="Rikas – Central Bikol" lang="bcl" hreflang="bcl" data-title="Rikas" data-language-autonym="Bikol Central" data-language-local-name="Central Bikol" class="interlanguage-link-target"><span>Bikol Central</span></a></li><li class="interlanguage-link interwiki-bn mw-list-item"><a href="https://bn.wikipedia.org/wiki/%E0%A6%A6%E0%A7%8D%E0%A6%B0%E0%A7%81%E0%A6%A4%E0%A6%BF" title="দ্রুতি – বাংলা" lang="bn" hreflang="bn" data-title="দ্রুতি" data-language-autonym="বাংলা" data-language-local-name="বাংলা" class="interlanguage-link-target"><span>বাংলা</span></a></li><li class="interlanguage-link interwiki-br mw-list-item"><a href="https://br.wikipedia.org/wiki/Tizh" title="Tizh – ব্ৰেটন" lang="br" hreflang="br" data-title="Tizh" data-language-autonym="Brezhoneg" data-language-local-name="ব্ৰেটন" class="interlanguage-link-target"><span>Brezhoneg</span></a></li><li class="interlanguage-link interwiki-ca mw-list-item"><a href="https://ca.wikipedia.org/wiki/Celeritat" title="Celeritat – কাতালান" lang="ca" hreflang="ca" data-title="Celeritat" data-language-autonym="Català" data-language-local-name="কাতালান" class="interlanguage-link-target"><span>Català</span></a></li><li class="interlanguage-link interwiki-cdo mw-list-item"><a href="https://cdo.wikipedia.org/wiki/S%C3%B3k-l%C5%ADk" title="Sók-lŭk – Mindong" lang="cdo" hreflang="cdo" data-title="Sók-lŭk" data-language-autonym="閩東語 / Mìng-dĕ̤ng-ngṳ̄" data-language-local-name="Mindong" class="interlanguage-link-target"><span>閩東語 / Mìng-dĕ̤ng-ngṳ̄</span></a></li><li class="interlanguage-link interwiki-ckb mw-list-item"><a href="https://ckb.wikipedia.org/wiki/%D8%AE%DB%8E%D8%B1%D8%A7%DB%8C%DB%8C" title="خێرایی – চেণ্ট্ৰেল কুৰ্ডিচ" lang="ckb" hreflang="ckb" data-title="خێرایی" data-language-autonym="کوردی" data-language-local-name="চেণ্ট্ৰেল কুৰ্ডিচ" class="interlanguage-link-target"><span>کوردی</span></a></li><li class="interlanguage-link interwiki-cy mw-list-item"><a href="https://cy.wikipedia.org/wiki/Buanedd" title="Buanedd – ৱেলচ" lang="cy" hreflang="cy" data-title="Buanedd" data-language-autonym="Cymraeg" data-language-local-name="ৱেলচ" class="interlanguage-link-target"><span>Cymraeg</span></a></li><li class="interlanguage-link interwiki-da mw-list-item"><a href="https://da.wikipedia.org/wiki/Fart" title="Fart – ডেনিচ" lang="da" hreflang="da" data-title="Fart" data-language-autonym="Dansk" data-language-local-name="ডেনিচ" class="interlanguage-link-target"><span>Dansk</span></a></li><li class="interlanguage-link interwiki-en mw-list-item"><a href="https://en.wikipedia.org/wiki/Speed" title="Speed – ইংৰাজী" lang="en" hreflang="en" data-title="Speed" data-language-autonym="English" data-language-local-name="ইংৰাজী" class="interlanguage-link-target"><span>English</span></a></li><li class="interlanguage-link interwiki-eo mw-list-item"><a href="https://eo.wikipedia.org/wiki/Rapido" title="Rapido – এস্পেৰান্তো" lang="eo" hreflang="eo" data-title="Rapido" data-language-autonym="Esperanto" data-language-local-name="এস্পেৰান্তো" class="interlanguage-link-target"><span>Esperanto</span></a></li><li class="interlanguage-link interwiki-es mw-list-item"><a href="https://es.wikipedia.org/wiki/Celeridad" title="Celeridad – স্পেনিচ" lang="es" hreflang="es" data-title="Celeridad" data-language-autonym="Español" data-language-local-name="স্পেনিচ" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-eu badge-Q70893996 mw-list-item" title=""><a href="https://eu.wikipedia.org/wiki/Abiadura-modulu" title="Abiadura-modulu – বাস্ক" lang="eu" hreflang="eu" data-title="Abiadura-modulu" data-language-autonym="Euskara" data-language-local-name="বাস্ক" class="interlanguage-link-target"><span>Euskara</span></a></li><li class="interlanguage-link interwiki-fa mw-list-item"><a href="https://fa.wikipedia.org/wiki/%D8%B3%D8%B1%D8%B9%D8%AA" title="سرعت – ফাৰ্ছী" lang="fa" hreflang="fa" data-title="سرعت" data-language-autonym="فارسی" data-language-local-name="ফাৰ্ছী" class="interlanguage-link-target"><span>فارسی</span></a></li><li class="interlanguage-link interwiki-fiu-vro mw-list-item"><a href="https://fiu-vro.wikipedia.org/wiki/Kib%C3%B5hus" title="Kibõhus – Võro" lang="vro" hreflang="vro" data-title="Kibõhus" data-language-autonym="Võro" data-language-local-name="Võro" class="interlanguage-link-target"><span>Võro</span></a></li><li class="interlanguage-link interwiki-fj mw-list-item"><a href="https://fj.wikipedia.org/wiki/Totolo" title="Totolo – ফিজিয়ান" lang="fj" hreflang="fj" data-title="Totolo" data-language-autonym="Na Vosa Vakaviti" data-language-local-name="ফিজিয়ান" class="interlanguage-link-target"><span>Na Vosa Vakaviti</span></a></li><li class="interlanguage-link interwiki-fr mw-list-item"><a href="https://fr.wikipedia.org/wiki/Vitesse" title="Vitesse – ফ্ৰেন্স" lang="fr" hreflang="fr" data-title="Vitesse" data-language-autonym="Français" data-language-local-name="ফ্ৰেন্স" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-ga mw-list-item"><a href="https://ga.wikipedia.org/wiki/Luas_(fisic)" title="Luas (fisic) – আইৰিচ" lang="ga" hreflang="ga" data-title="Luas (fisic)" data-language-autonym="Gaeilge" data-language-local-name="আইৰিচ" class="interlanguage-link-target"><span>Gaeilge</span></a></li><li class="interlanguage-link interwiki-gl mw-list-item"><a href="https://gl.wikipedia.org/wiki/Celeridade" title="Celeridade – গেলিচিয়ান" lang="gl" hreflang="gl" data-title="Celeridade" data-language-autonym="Galego" data-language-local-name="গেলিচিয়ান" class="interlanguage-link-target"><span>Galego</span></a></li><li class="interlanguage-link interwiki-gv mw-list-item"><a href="https://gv.wikipedia.org/wiki/Bieauid" title="Bieauid – মেংক্স" lang="gv" hreflang="gv" data-title="Bieauid" data-language-autonym="Gaelg" data-language-local-name="মেংক্স" class="interlanguage-link-target"><span>Gaelg</span></a></li><li class="interlanguage-link interwiki-hi mw-list-item"><a href="https://hi.wikipedia.org/wiki/%E0%A4%9A%E0%A4%BE%E0%A4%B2" title="चाल – হিন্দী" lang="hi" hreflang="hi" data-title="चाल" data-language-autonym="हिन्दी" data-language-local-name="হিন্দী" class="interlanguage-link-target"><span>हिन्दी</span></a></li><li class="interlanguage-link interwiki-ht mw-list-item"><a href="https://ht.wikipedia.org/wiki/Speed" title="Speed – হেইটিয়ান ক্ৰিয়ল" lang="ht" hreflang="ht" data-title="Speed" data-language-autonym="Kreyòl ayisyen" data-language-local-name="হেইটিয়ান ক্ৰিয়ল" class="interlanguage-link-target"><span>Kreyòl ayisyen</span></a></li><li class="interlanguage-link interwiki-ia mw-list-item"><a href="https://ia.wikipedia.org/wiki/Rapiditate" title="Rapiditate – ইণ্টাৰলিংগুৱা" lang="ia" hreflang="ia" data-title="Rapiditate" data-language-autonym="Interlingua" data-language-local-name="ইণ্টাৰলিংগুৱা" class="interlanguage-link-target"><span>Interlingua</span></a></li><li class="interlanguage-link interwiki-id mw-list-item"><a href="https://id.wikipedia.org/wiki/Kelajuan" title="Kelajuan – ইণ্ডোনেচিয়" lang="id" hreflang="id" data-title="Kelajuan" data-language-autonym="Bahasa Indonesia" data-language-local-name="ইণ্ডোনেচিয়" class="interlanguage-link-target"><span>Bahasa Indonesia</span></a></li><li class="interlanguage-link interwiki-io mw-list-item"><a href="https://io.wikipedia.org/wiki/Rapideso" title="Rapideso – ইডো" lang="io" hreflang="io" data-title="Rapideso" data-language-autonym="Ido" data-language-local-name="ইডো" class="interlanguage-link-target"><span>Ido</span></a></li><li class="interlanguage-link interwiki-is mw-list-item"><a href="https://is.wikipedia.org/wiki/Fer%C3%B0" title="Ferð – আইচলেণ্ডিক" lang="is" hreflang="is" data-title="Ferð" data-language-autonym="Íslenska" data-language-local-name="আইচলেণ্ডিক" class="interlanguage-link-target"><span>Íslenska</span></a></li><li class="interlanguage-link interwiki-ja mw-list-item"><a href="https://ja.wikipedia.org/wiki/%E9%80%9F%E3%81%95" title="速さ – জাপানী" lang="ja" hreflang="ja" data-title="速さ" data-language-autonym="日本語" data-language-local-name="জাপানী" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-kaa mw-list-item"><a href="https://kaa.wikipedia.org/wiki/Tezlik" title="Tezlik – Kara-Kalpak" lang="kaa" hreflang="kaa" data-title="Tezlik" data-language-autonym="Qaraqalpaqsha" data-language-local-name="Kara-Kalpak" class="interlanguage-link-target"><span>Qaraqalpaqsha</span></a></li><li class="interlanguage-link interwiki-kbp mw-list-item"><a href="https://kbp.wikipedia.org/wiki/%C3%91%C9%A9%C9%A3y%CA%8B%CA%8B_taa_se%C9%A3a" title="Ñɩɣyʋʋ taa seɣa – Kabiye" lang="kbp" hreflang="kbp" data-title="Ñɩɣyʋʋ taa seɣa" data-language-autonym="Kabɩyɛ" data-language-local-name="Kabiye" class="interlanguage-link-target"><span>Kabɩyɛ</span></a></li><li class="interlanguage-link interwiki-kcg mw-list-item"><a href="https://kcg.wikipedia.org/wiki/Cung" title="Cung – ত্যাপ" lang="kcg" hreflang="kcg" data-title="Cung" data-language-autonym="Tyap" data-language-local-name="ত্যাপ" class="interlanguage-link-target"><span>Tyap</span></a></li><li class="interlanguage-link interwiki-kk mw-list-item"><a href="https://kk.wikipedia.org/wiki/%D0%9E%D1%80%D1%82%D0%B0%D1%88%D0%B0_%D0%B6%D1%8B%D0%BB%D0%B4%D0%B0%D0%BC%D0%B4%D1%8B%D2%9B" title="Орташа жылдамдық – কাজাখ" lang="kk" hreflang="kk" data-title="Орташа жылдамдық" data-language-autonym="Қазақша" data-language-local-name="কাজাখ" class="interlanguage-link-target"><span>Қазақша</span></a></li><li class="interlanguage-link interwiki-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/%EC%86%8D%EB%A0%A5" title="속력 – কোৰিয়ান" lang="ko" hreflang="ko" data-title="속력" data-language-autonym="한국어" data-language-local-name="কোৰিয়ান" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-kw mw-list-item"><a href="https://kw.wikipedia.org/wiki/Tooth" title="Tooth – কোৰ্নিচ" lang="kw" hreflang="kw" data-title="Tooth" data-language-autonym="Kernowek" data-language-local-name="কোৰ্নিচ" class="interlanguage-link-target"><span>Kernowek</span></a></li><li class="interlanguage-link interwiki-la mw-list-item"><a href="https://la.wikipedia.org/wiki/Celeritas" title="Celeritas – লেটিন" lang="la" hreflang="la" data-title="Celeritas" data-language-autonym="Latina" data-language-local-name="লেটিন" class="interlanguage-link-target"><span>Latina</span></a></li><li class="interlanguage-link interwiki-lfn mw-list-item"><a href="https://lfn.wikipedia.org/wiki/Rapidia" title="Rapidia – Lingua Franca Nova" lang="lfn" hreflang="lfn" data-title="Rapidia" data-language-autonym="Lingua Franca Nova" data-language-local-name="Lingua Franca Nova" class="interlanguage-link-target"><span>Lingua Franca Nova</span></a></li><li class="interlanguage-link interwiki-lt mw-list-item"><a href="https://lt.wikipedia.org/wiki/Greitis" title="Greitis – লিথুৱানিয়ান" lang="lt" hreflang="lt" data-title="Greitis" data-language-autonym="Lietuvių" data-language-local-name="লিথুৱানিয়ান" class="interlanguage-link-target"><span>Lietuvių</span></a></li><li class="interlanguage-link interwiki-lv mw-list-item"><a href="https://lv.wikipedia.org/wiki/Kust%C4%ABbas_%C4%81trums" title="Kustības ātrums – লাটভিয়ান" lang="lv" hreflang="lv" data-title="Kustības ātrums" data-language-autonym="Latviešu" data-language-local-name="লাটভিয়ান" class="interlanguage-link-target"><span>Latviešu</span></a></li><li class="interlanguage-link interwiki-ml mw-list-item"><a href="https://ml.wikipedia.org/wiki/%E0%B4%B5%E0%B5%87%E0%B4%97%E0%B4%82" title="വേഗം – মালায়ালম" lang="ml" hreflang="ml" data-title="വേഗം" data-language-autonym="മലയാളം" data-language-local-name="মালায়ালম" class="interlanguage-link-target"><span>മലയാളം</span></a></li><li class="interlanguage-link interwiki-mn mw-list-item"><a href="https://mn.wikipedia.org/wiki/%D0%A5%D1%83%D1%80%D0%B4%D0%BD%D1%8B_%D1%85%D1%8D%D0%BC%D0%B6%D1%8D%D1%8D" title="Хурдны хэмжээ – মংগোলীয়" lang="mn" hreflang="mn" data-title="Хурдны хэмжээ" data-language-autonym="Монгол" data-language-local-name="মংগোলীয়" class="interlanguage-link-target"><span>Монгол</span></a></li><li class="interlanguage-link interwiki-mr mw-list-item"><a href="https://mr.wikipedia.org/wiki/%E0%A4%9A%E0%A4%BE%E0%A4%B2_(%E0%A4%AD%E0%A5%8C%E0%A4%A4%E0%A4%BF%E0%A4%95%E0%A5%80)" title="चाल (भौतिकी) – মাৰাঠী" lang="mr" hreflang="mr" data-title="चाल (भौतिकी)" data-language-autonym="मराठी" data-language-local-name="মাৰাঠী" class="interlanguage-link-target"><span>मराठी</span></a></li><li class="interlanguage-link interwiki-ms mw-list-item"><a href="https://ms.wikipedia.org/wiki/Kelajuan" title="Kelajuan – মালয়" lang="ms" hreflang="ms" data-title="Kelajuan" data-language-autonym="Bahasa Melayu" data-language-local-name="মালয়" class="interlanguage-link-target"><span>Bahasa Melayu</span></a></li><li class="interlanguage-link interwiki-my mw-list-item"><a href="https://my.wikipedia.org/wiki/%E1%80%A1%E1%80%99%E1%80%BC%E1%80%94%E1%80%BA%E1%80%94%E1%80%BE%E1%80%AF%E1%80%94%E1%80%BA%E1%80%B8" title="အမြန်နှုန်း – বাৰ্মীজ" lang="my" hreflang="my" data-title="အမြန်နှုန်း" data-language-autonym="မြန်မာဘာသာ" data-language-local-name="বাৰ্মীজ" class="interlanguage-link-target"><span>မြန်မာဘာသာ</span></a></li><li class="interlanguage-link interwiki-ne mw-list-item"><a href="https://ne.wikipedia.org/wiki/%E0%A4%B5%E0%A5%87%E0%A4%97" title="वेग – নেপালী" lang="ne" hreflang="ne" data-title="वेग" data-language-autonym="नेपाली" data-language-local-name="নেপালী" class="interlanguage-link-target"><span>नेपाली</span></a></li><li class="interlanguage-link interwiki-new mw-list-item"><a href="https://new.wikipedia.org/wiki/%E0%A4%97%E0%A4%A4%E0%A4%BF" title="गति – নেৱাৰি" lang="new" hreflang="new" data-title="गति" data-language-autonym="नेपाल भाषा" data-language-local-name="নেৱাৰি" class="interlanguage-link-target"><span>नेपाल भाषा</span></a></li><li class="interlanguage-link interwiki-nl badge-Q70894304 mw-list-item" title=""><a href="https://nl.wikipedia.org/wiki/Grootte_van_de_snelheid" title="Grootte van de snelheid – ডাচ" lang="nl" hreflang="nl" data-title="Grootte van de snelheid" data-language-autonym="Nederlands" data-language-local-name="ডাচ" class="interlanguage-link-target"><span>Nederlands</span></a></li><li class="interlanguage-link interwiki-nn mw-list-item"><a href="https://nn.wikipedia.org/wiki/Fart" title="Fart – নৰৱেজিয়ান নায়নোৰ্স্ক" lang="nn" hreflang="nn" data-title="Fart" data-language-autonym="Norsk nynorsk" data-language-local-name="নৰৱেজিয়ান নায়নোৰ্স্ক" class="interlanguage-link-target"><span>Norsk nynorsk</span></a></li><li class="interlanguage-link interwiki-no mw-list-item"><a href="https://no.wikipedia.org/wiki/Fart" title="Fart – নৰৱেজিয়ান বোকমাল" lang="nb" hreflang="nb" data-title="Fart" data-language-autonym="Norsk bokmål" data-language-local-name="নৰৱেজিয়ান বোকমাল" class="interlanguage-link-target"><span>Norsk bokmål</span></a></li><li class="interlanguage-link interwiki-om mw-list-item"><a href="https://om.wikipedia.org/wiki/Saffisa" title="Saffisa – ওৰোমো" lang="om" hreflang="om" data-title="Saffisa" data-language-autonym="Oromoo" data-language-local-name="ওৰোমো" class="interlanguage-link-target"><span>Oromoo</span></a></li><li class="interlanguage-link interwiki-pa mw-list-item"><a href="https://pa.wikipedia.org/wiki/%E0%A8%97%E0%A8%A4%E0%A9%80" title="ਗਤੀ – পাঞ্জাবী" lang="pa" hreflang="pa" data-title="ਗਤੀ" data-language-autonym="ਪੰਜਾਬੀ" data-language-local-name="পাঞ্জাবী" class="interlanguage-link-target"><span>ਪੰਜਾਬੀ</span></a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/Szybko%C5%9B%C4%87" title="Szybkość – প’লিচ" lang="pl" hreflang="pl" data-title="Szybkość" data-language-autonym="Polski" data-language-local-name="প’লিচ" class="interlanguage-link-target"><span>Polski</span></a></li><li class="interlanguage-link interwiki-pt mw-list-item"><a href="https://pt.wikipedia.org/wiki/Rapidez" title="Rapidez – পৰ্তুগীজ" lang="pt" hreflang="pt" data-title="Rapidez" data-language-autonym="Português" data-language-local-name="পৰ্তুগীজ" class="interlanguage-link-target"><span>Português</span></a></li><li class="interlanguage-link interwiki-ro mw-list-item"><a href="https://ro.wikipedia.org/wiki/Vitez%C4%83_liniar%C4%83" title="Viteză liniară – ৰোমানীয়" lang="ro" hreflang="ro" data-title="Viteză liniară" data-language-autonym="Română" data-language-local-name="ৰোমানীয়" class="interlanguage-link-target"><span>Română</span></a></li><li class="interlanguage-link interwiki-sc mw-list-item"><a href="https://sc.wikipedia.org/wiki/Lestresa" title="Lestresa – ছাৰ্ডিনিয়ান" lang="sc" hreflang="sc" data-title="Lestresa" data-language-autonym="Sardu" data-language-local-name="ছাৰ্ডিনিয়ান" class="interlanguage-link-target"><span>Sardu</span></a></li><li class="interlanguage-link interwiki-scn mw-list-item"><a href="https://scn.wikipedia.org/wiki/Vilucitati" title="Vilucitati – ছিচিলিয়ান" lang="scn" hreflang="scn" data-title="Vilucitati" data-language-autonym="Sicilianu" data-language-local-name="ছিচিলিয়ান" class="interlanguage-link-target"><span>Sicilianu</span></a></li><li class="interlanguage-link interwiki-sd mw-list-item"><a href="https://sd.wikipedia.org/wiki/%D8%B1%D9%81%D8%AA%D8%A7%D8%B1" title="رفتار – সিন্ধী" lang="sd" hreflang="sd" data-title="رفتار" data-language-autonym="سنڌي" data-language-local-name="সিন্ধী" class="interlanguage-link-target"><span>سنڌي</span></a></li><li class="interlanguage-link interwiki-si mw-list-item"><a href="https://si.wikipedia.org/wiki/%E0%B7%80%E0%B7%9A%E0%B6%9C%E0%B6%BA" title="වේගය – সিংহলা" lang="si" hreflang="si" data-title="වේගය" data-language-autonym="සිංහල" data-language-local-name="সিংহলা" class="interlanguage-link-target"><span>සිංහල</span></a></li><li class="interlanguage-link interwiki-simple mw-list-item"><a href="https://simple.wikipedia.org/wiki/Speed" title="Speed – Simple English" lang="en-simple" hreflang="en-simple" data-title="Speed" data-language-autonym="Simple English" data-language-local-name="Simple English" class="interlanguage-link-target"><span>Simple English</span></a></li><li class="interlanguage-link interwiki-sn mw-list-item"><a href="https://sn.wikipedia.org/wiki/Spidhi" title="Spidhi – চোনা" lang="sn" hreflang="sn" data-title="Spidhi" data-language-autonym="ChiShona" data-language-local-name="চোনা" class="interlanguage-link-target"><span>ChiShona</span></a></li><li class="interlanguage-link interwiki-so mw-list-item"><a href="https://so.wikipedia.org/wiki/Xawaare" title="Xawaare – ছোমালি" lang="so" hreflang="so" data-title="Xawaare" data-language-autonym="Soomaaliga" data-language-local-name="ছোমালি" class="interlanguage-link-target"><span>Soomaaliga</span></a></li><li class="interlanguage-link interwiki-sq mw-list-item"><a href="https://sq.wikipedia.org/wiki/Shpejt%C3%ABsia" title="Shpejtësia – আলবেনীয়" lang="sq" hreflang="sq" data-title="Shpejtësia" data-language-autonym="Shqip" data-language-local-name="আলবেনীয়" class="interlanguage-link-target"><span>Shqip</span></a></li><li class="interlanguage-link interwiki-sr badge-Q70893996 mw-list-item" title=""><a href="https://sr.wikipedia.org/wiki/Magnituda_brzine_kretanja" title="Magnituda brzine kretanja – ছাৰ্বিয়ান" lang="sr" hreflang="sr" data-title="Magnituda brzine kretanja" data-language-autonym="Српски / srpski" data-language-local-name="ছাৰ্বিয়ান" class="interlanguage-link-target"><span>Српски / srpski</span></a></li><li class="interlanguage-link interwiki-su mw-list-item"><a href="https://su.wikipedia.org/wiki/Laju" title="Laju – ছুণ্ডানীজ" lang="su" hreflang="su" data-title="Laju" data-language-autonym="Sunda" data-language-local-name="ছুণ্ডানীজ" class="interlanguage-link-target"><span>Sunda</span></a></li><li class="interlanguage-link interwiki-sv mw-list-item"><a href="https://sv.wikipedia.org/wiki/Fart" title="Fart – ছুইডিচ" lang="sv" hreflang="sv" data-title="Fart" data-language-autonym="Svenska" data-language-local-name="ছুইডিচ" class="interlanguage-link-target"><span>Svenska</span></a></li><li class="interlanguage-link interwiki-sw mw-list-item"><a href="https://sw.wikipedia.org/wiki/Kasi" title="Kasi – স্বাহিলি" lang="sw" hreflang="sw" data-title="Kasi" data-language-autonym="Kiswahili" data-language-local-name="স্বাহিলি" class="interlanguage-link-target"><span>Kiswahili</span></a></li><li class="interlanguage-link interwiki-ta mw-list-item"><a href="https://ta.wikipedia.org/wiki/%E0%AE%B5%E0%AF%87%E0%AE%95%E0%AE%AE%E0%AF%8D" title="வேகம் – তামিল" lang="ta" hreflang="ta" data-title="வேகம்" data-language-autonym="தமிழ்" data-language-local-name="তামিল" class="interlanguage-link-target"><span>தமிழ்</span></a></li><li class="interlanguage-link interwiki-th mw-list-item"><a href="https://th.wikipedia.org/wiki/%E0%B8%AD%E0%B8%B1%E0%B8%95%E0%B8%A3%E0%B8%B2%E0%B9%80%E0%B8%A3%E0%B9%87%E0%B8%A7" title="อัตราเร็ว – থাই" lang="th" hreflang="th" data-title="อัตราเร็ว" data-language-autonym="ไทย" data-language-local-name="থাই" class="interlanguage-link-target"><span>ไทย</span></a></li><li class="interlanguage-link interwiki-tl mw-list-item"><a href="https://tl.wikipedia.org/wiki/Bilis" title="Bilis – Tagalog" lang="tl" hreflang="tl" data-title="Bilis" data-language-autonym="Tagalog" data-language-local-name="Tagalog" class="interlanguage-link-target"><span>Tagalog</span></a></li><li class="interlanguage-link interwiki-tr mw-list-item"><a href="https://tr.wikipedia.org/wiki/S%C3%BCrat" title="Sürat – তুৰ্কী" lang="tr" hreflang="tr" data-title="Sürat" data-language-autonym="Türkçe" data-language-local-name="তুৰ্কী" class="interlanguage-link-target"><span>Türkçe</span></a></li><li class="interlanguage-link interwiki-uk mw-list-item"><a href="https://uk.wikipedia.org/wiki/%D0%A1%D0%B5%D1%80%D0%B5%D0%B4%D0%BD%D1%8F_%D1%81%D0%BA%D0%B0%D0%BB%D1%8F%D1%80%D0%BD%D0%B0_%D1%88%D0%B2%D0%B8%D0%B4%D0%BA%D1%96%D1%81%D1%82%D1%8C" title="Середня скалярна швидкість – ইউক্ৰেইনীয়" lang="uk" hreflang="uk" data-title="Середня скалярна швидкість" data-language-autonym="Українська" data-language-local-name="ইউক্ৰেইনীয়" class="interlanguage-link-target"><span>Українська</span></a></li><li class="interlanguage-link interwiki-ur mw-list-item"><a href="https://ur.wikipedia.org/wiki/%D8%B1%D9%81%D8%AA%D8%A7%D8%B1" title="رفتار – উৰ্দু" lang="ur" hreflang="ur" data-title="رفتار" data-language-autonym="اردو" data-language-local-name="উৰ্দু" class="interlanguage-link-target"><span>اردو</span></a></li><li class="interlanguage-link interwiki-vi mw-list-item"><a href="https://vi.wikipedia.org/wiki/T%E1%BB%91c_%C4%91%E1%BB%99" title="Tốc độ – ভিয়েটনামী" lang="vi" hreflang="vi" data-title="Tốc độ" data-language-autonym="Tiếng Việt" data-language-local-name="ভিয়েটনামী" class="interlanguage-link-target"><span>Tiếng Việt</span></a></li><li class="interlanguage-link interwiki-war mw-list-item"><a href="https://war.wikipedia.org/wiki/Kalaksi" title="Kalaksi – ৱাৰে" lang="war" hreflang="war" data-title="Kalaksi" data-language-autonym="Winaray" data-language-local-name="ৱাৰে" class="interlanguage-link-target"><span>Winaray</span></a></li><li class="interlanguage-link interwiki-wuu mw-list-item"><a href="https://wuu.wikipedia.org/wiki/%E9%80%9F%E7%8E%87" title="速率 – ৱু চাইনিজ" lang="wuu" hreflang="wuu" data-title="速率" data-language-autonym="吴语" data-language-local-name="ৱু চাইনিজ" class="interlanguage-link-target"><span>吴语</span></a></li><li class="interlanguage-link interwiki-xh mw-list-item"><a href="https://xh.wikipedia.org/wiki/Isantya" title="Isantya – হোছা" lang="xh" hreflang="xh" data-title="Isantya" data-language-autonym="IsiXhosa" data-language-local-name="হোছা" class="interlanguage-link-target"><span>IsiXhosa</span></a></li><li class="interlanguage-link interwiki-zh mw-list-item"><a href="https://zh.wikipedia.org/wiki/%E9%80%9F%E7%8E%87" title="速率 – চীনা" lang="zh" hreflang="zh" data-title="速率" data-language-autonym="中文" data-language-local-name="চীনা" class="interlanguage-link-target"><span>中文</span></a></li><li class="interlanguage-link interwiki-zh-min-nan mw-list-item"><a href="https://zh-min-nan.wikipedia.org/wiki/Sok-le%CC%8Dk" title="Sok-le̍k – Minnan" lang="nan" hreflang="nan" data-title="Sok-le̍k" data-language-autonym="閩南語 / Bân-lâm-gú" data-language-local-name="Minnan" class="interlanguage-link-target"><span>閩南語 / Bân-lâm-gú</span></a></li><li class="interlanguage-link interwiki-zh-yue mw-list-item"><a href="https://zh-yue.wikipedia.org/wiki/%E9%80%9F%E7%8E%87" title="速率 – কেণ্টোনীজ" lang="yue" hreflang="yue" data-title="速率" data-language-autonym="粵語" data-language-local-name="কেণ্টোনীজ" class="interlanguage-link-target"><span>粵語</span></a></li> </ul> <div class="after-portlet after-portlet-lang"><span class="wb-langlinks-edit wb-langlinks-link"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q3711325#sitelinks-wikipedia" title="আন্তঃৱিকি লিংক সম্পাদনা কৰক" class="wbc-editpage">আন্তঃৱিকি লিংক সম্পাদনা কৰক</a></span></div> </div> </div> </div> </header> <div class="vector-page-toolbar"> <div class="vector-page-toolbar-container"> <div id="left-navigation"> <nav aria-label="নামস্থান"> <div id="p-associated-pages" class="vector-menu 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style="float:right;clear:right;width:22.0em;margin:0 0 1.0em 1.0em;background:#f9f9f9;border:1px solid #aaa;padding:0.2em;border-spacing:0.4em 0;text-align:center;line-height:1.4em;font-size:88%"><tbody><tr><th style="padding:0.2em 0.4em 0.2em;font-size:145%;line-height:1.2em">ধ্ৰুপদী বলবিজ্ঞান</th></tr><tr><td style="padding:0.2em 0 0.4em"><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle \mathbf {F} =m\mathbf {a} }"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <mi mathvariant="bold">F</mi> </mrow> <mo>=</mo> <mi>m</mi> <mrow class="MJX-TeXAtom-ORD"> <mi mathvariant="bold">a</mi> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle \mathbf {F} =m\mathbf {a} }</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/d0c60fab89e8c3193952047dc565bcf8d233d115" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.338ex; width:8.121ex; height:2.176ex;" alt="{\displaystyle \mathbf {F} =m\mathbf {a} }"></span><div style="padding-top:0.2em;line-height:1.2em"><a href="/wiki/%E0%A6%A8%E0%A6%BF%E0%A6%89%E0%A6%9F%E0%A6%A8%E0%A7%B0_%E0%A6%97%E0%A6%A4%E0%A6%BF%E0%A7%B0_%E0%A6%B8%E0%A7%82%E0%A6%A4%E0%A7%8D%E0%A7%B0" title="নিউটনৰ গতিৰ সূত্ৰ">নিউটনৰ গতিৰ দ্বিতীয় সূত্ৰ</a></div></td></tr><tr><td style="padding:0 0.1em 0.4em"> <a href="/w/index.php?title=%E0%A6%A7%E0%A7%8D%E0%A7%B0%E0%A7%81%E0%A6%AA%E0%A6%A6%E0%A7%80_%E0%A6%AC%E0%A6%B2%E0%A6%AC%E0%A6%BF%E0%A6%9C%E0%A7%8D%E0%A6%9E%E0%A6%BE%E0%A6%A8%E0%A7%B0_%E0%A6%87%E0%A6%A4%E0%A6%BF%E0%A6%B9%E0%A6%BE%E0%A6%B8&action=edit&redlink=1" class="new" title="ধ্ৰুপদী বলবিজ্ঞানৰ ইতিহাস (পৃষ্ঠা নাই)">ধ্ৰুপদী বলবিজ্ঞানৰ ইতিহাস</a> <b>·</b> <span 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href="/w/index.php?title=%E0%A6%B8%E0%A6%BE%E0%A6%81%E0%A6%9A_%E0%A6%AC%E0%A6%BE%E0%A7%B0%E0%A7%8D%E0%A6%A4%E0%A6%BE:Classical_mechanics&action=edit&redlink=1" class="new" title="সাঁচ বাৰ্তা:Classical mechanics (পৃষ্ঠা নাই)"><abbr title="Discuss this template">t</abbr></a></li><li class="nv-edit"><a class="external text" href="https://as.wikipedia.org/w/index.php?title=%E0%A6%B8%E0%A6%BE%E0%A6%81%E0%A6%9A:Classical_mechanics&action=edit"><abbr title="Edit this template">e</abbr></a></li></ul></div></td></tr></tbody></table> <p>দৈনন্দিন জীৱন আৰু গতিবিজ্ঞানত, দ্ৰুতি হৈছে কোনো বস্তুৰ <a href="/wiki/%E0%A6%AC%E0%A7%87%E0%A6%97" title="বেগ">বেগ</a>ৰ পৰিমাপ(magnitude) আৰু ই এটা স্কেলাৰ ৰাশি<sup id="cite_ref-1" class="reference"><a href="#cite_note-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup>। এক নিৰ্দিষ্ট সময়সীমাত কোনো এক বস্তুৱে অতিক্ৰম কৰা মুঠ দূৰত্বক উক্ত সময়সীমাৰে হৰণ কৰিলে <b>গড় দ্ৰুতি</b> পোৱা যায়<sup id="cite_ref-:0_2-0" class="reference"><a href="#cite_note-:0-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup>। গড় দ্ৰুতিৰ লিমিট(limit) ল'লে তাৎক্ষণিক দ্ৰুতি পোৱা যায়, আৰু সময়সীমা(time interval ) শূন্যৰ ওচৰ চাপে। দ্ৰুতিৰ মাত্ৰা হৈছে <a href="/w/index.php?title=%E0%A6%A6%E0%A7%82%E0%A7%B0%E0%A6%A4%E0%A7%8D%E0%A6%AC&action=edit&redlink=1" class="new" title="দূৰত্ব (পৃষ্ঠা নাই)">দূৰত্ব</a> হৰণ <a href="/wiki/%E0%A6%B8%E0%A6%AE%E0%A6%AF%E0%A6%BC" title="সময়">সময়</a>। এছ আই এককত ইয়াৰ একক হৈছে মিটাৰ প্ৰতি ছেকেণ্ড, কিন্তু বৰ্তমানে বেছিকৈ ব্যৱহাৰ হোৱা এককবোৰ হৈছে কিল'মিটাৰ প্ৰতি ঘণ্টা, বা মাইল প্ৰতি ঘণ্টা(আমেৰিকা আৰু ইংলেণ্ডত)। বায়ু আৰু সাগৰীয় যাত্ৰাৰ ক্ষেত্ৰত নট ব্যৱহাৰ কৰা হয়। <a href="/wiki/%E0%A6%AC%E0%A6%BF%E0%A6%B6%E0%A7%87%E0%A6%B7_%E0%A6%86%E0%A6%AA%E0%A7%87%E0%A6%95%E0%A7%8D%E0%A6%B7%E0%A6%BF%E0%A6%95%E0%A6%A4%E0%A6%BE%E0%A6%AC%E0%A6%BE%E0%A6%A6" class="mw-redirect" title="বিশেষ আপেক্ষিকতাবাদ">বিশেষ আপেক্ষিকতাবাদ</a>ৰ মতে, সৰ্বোচ্চ দ্ৰুতি হৈছে <a href="/wiki/%E0%A6%AA%E0%A7%8B%E0%A6%B9%E0%A7%B0%E0%A7%B0_%E0%A6%AC%E0%A7%87%E0%A6%97" title="পোহৰৰ বেগ">পোহৰৰ বেগ</a>, c = ২৯৯৭৯২৪৫৮ মিটাৰ প্ৰতি ছেকেণ্ড ( প্ৰায় ১০৭৯০০০০০০ কিল'মিটাৰ প্ৰতি ঘণ্টা বা ৬৭১০০০০০০ মিটাৰ প্ৰতি ঘণ্টা) কোনো পদাৰ্থই <a href="/wiki/%E0%A6%AA%E0%A7%8B%E0%A6%B9%E0%A7%B0%E0%A7%B0_%E0%A6%AC%E0%A7%87%E0%A6%97" title="পোহৰৰ বেগ">পোহৰৰ বেগ</a>ৰ দ্ৰুতি লাভ কৰাটো সম্ভৱ নহয় কাৰণ তেতিয়া ইয়াক অসীম পৰিমাণৰ শক্তিৰ প্ৰয়োজন হব। আপেক্ষিক পদাৰ্থবিজ্ঞানত, দ্ৰুতিৰ ধাৰণাটো rapidity লৈ স্থানান্তৰ(replace) হৈছে। </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="দ্ৰতিৰ_সংজ্ঞা_কিমান"><span id=".E0.A6.A6.E0.A7.8D.E0.A7.B0.E0.A6.A4.E0.A6.BF.E0.A7.B0_.E0.A6.B8.E0.A6.82.E0.A6.9C.E0.A7.8D.E0.A6.9E.E0.A6.BE_.E0.A6.95.E0.A6.BF.E0.A6.AE.E0.A6.BE.E0.A6.A8"></span>দ্ৰতিৰ সংজ্ঞা কিমান</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=%E0%A6%A6%E0%A7%8D%E0%A7%B0%E0%A7%81%E0%A6%A4%E0%A6%BF&action=edit&section=1" title="শাখা সম্পাদনা: দ্ৰতিৰ সংজ্ঞা কিমান"><span>সম্পাদনা কৰক</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="mw-heading mw-heading3"><h3 id="ইতিহাস"><span id=".E0.A6.87.E0.A6.A4.E0.A6.BF.E0.A6.B9.E0.A6.BE.E0.A6.B8"></span>ইতিহাস</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=%E0%A6%A6%E0%A7%8D%E0%A7%B0%E0%A7%81%E0%A6%A4%E0%A6%BF&action=edit&section=2" title="শাখা সম্পাদনা: ইতিহাস"><span>সম্পাদনা কৰক</span></a><span class="mw-editsection-bracket">]</span></span></div> <p><a href="/wiki/%E0%A6%87%E0%A6%9F%E0%A6%BE%E0%A6%B2%E0%A7%80" title="ইটালী">ইটালী</a>ৰ পদাৰ্থবিজ্ঞানী <a href="/wiki/%E0%A6%97%E0%A7%87%E0%A6%B2%E0%A6%BF%E0%A6%B2%E0%A6%BF%E0%A6%85_%E0%A6%97%E0%A7%87%E0%A6%B2%E0%A6%BF%E0%A6%B2%E0%A6%BF" class="mw-redirect" title="গেলিলিঅ গেলিলি">গেলিলিঅ গেলিলি</a>য়ে পোন প্ৰথমে দ্ৰুতিৰ জোখ লৈছিল। গেলিলিয়ে প্ৰতি একক সময়ত অতিক্ৰম কৰা দূৰত্বক দ্ৰুতি হিচাপে সংজ্ঞাবদ্ধ কৰিছিল<sup id="cite_ref-Hewitt_2006,_p._42_3-0" class="reference"><a href="#cite_note-Hewitt_2006,_p._42-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup>। সমীকৰণাকাৰে, </p> <dl><dd><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle v={\frac {d}{t}},}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>v</mi> <mo>=</mo> <mrow class="MJX-TeXAtom-ORD"> <mfrac> <mi>d</mi> <mi>t</mi> </mfrac> </mrow> <mo>,</mo> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle v={\frac {d}{t}},}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/205e830b5cf145d75255f4dbc213f82bfbf35308" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -1.838ex; width:6.925ex; height:5.343ex;" alt="{\displaystyle v={\frac {d}{t}},}"></span></dd></dl> <p>য'ত <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle v}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>v</mi> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle v}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/e07b00e7fc0847fbd16391c778d65bc25c452597" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.338ex; width:1.128ex; height:1.676ex;" alt="{\displaystyle v}"></span> হৈছে দ্ৰুতি, <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle d}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>d</mi> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle d}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/e85ff03cbe0c7341af6b982e47e9f90d235c66ab" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.338ex; width:1.216ex; height:2.176ex;" alt="{\displaystyle d}"></span> হৈছে দূৰত্ব, <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle t}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>t</mi> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle t}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/65658b7b223af9e1acc877d848888ecdb4466560" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.338ex; width:0.84ex; height:2.009ex;" alt="{\displaystyle t}"></span> হৈছে সময়। এজন চাইকেল আৰোহীে যদি ২ ছেকেণ্ডত ৩০ মিটাৰ দূৰত্ব অতিক্ৰম কৰে, তেন্তে তেওঁৰ দ্ৰুতি হ'ব ১৫ মিটাৰ প্ৰতি ছেকেণ্ড। গতি অৱস্থাত থকা বস্তুৰ বিভিন্ন দ্ৰুতি থাকিব পাৰে, যেনে এখন গাড়ীয়ে ৰাস্তাত ৫০ কিল'মিটাৰ প্ৰতি ঘণ্টা, ০ কিল'মিটাৰ প্ৰতি ঘণ্টা আৰু তাৰপাছত ৩০ কিল'মিটাৰ প্ৰতি ঘণ্টা এনেদৰে যাব পাৰে। </p> <div class="mw-heading mw-heading3"><h3 id="তাৎক্ষণিক_দ্ৰুতি"><span id=".E0.A6.A4.E0.A6.BE.E0.A7.8E.E0.A6.95.E0.A7.8D.E0.A6.B7.E0.A6.A3.E0.A6.BF.E0.A6.95_.E0.A6.A6.E0.A7.8D.E0.A7.B0.E0.A7.81.E0.A6.A4.E0.A6.BF"></span>তাৎক্ষণিক দ্ৰুতি</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=%E0%A6%A6%E0%A7%8D%E0%A7%B0%E0%A7%81%E0%A6%A4%E0%A6%BF&action=edit&section=3" title="শাখা সম্পাদনা: তাৎক্ষণিক দ্ৰুতি"><span>সম্পাদনা কৰক</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>কোনো এটা মুহূৰ্তৰ দ্ৰুতি অথবা একদম ক্ষুদ্ৰ সময়সীমাৰ দ্ৰুতিয়েই হৈছে তাৎক্ষণিক দ্ৰুতি। গাড়ীৰ স্পিড'মিটাৰত যিকোনো মুহূৰ্তৰ গাড়ীখনৰ তাৎক্ষণিক দ্ৰুতিৰ প্ৰকাশ হৈ থাকে। গাণিতিকভাৱে,তাৎক্ষণিক দ্ৰুতি হৈছে সময় সাপেক্ষে স্থানৰ <a href="/w/index.php?title=%E0%A6%85%E0%A7%B1%E0%A6%95%E0%A6%B2%E0%A6%9C&action=edit&redlink=1" class="new" title="অৱকলজ (পৃষ্ঠা নাই)">অৱকলজ</a> </p> <dl><dd><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle v=\left|{\boldsymbol {v}}\right|=\left|{\dot {\boldsymbol {r}}}\right|=\left|{\frac {d{\boldsymbol {r}}}{dt}}\right|\,.}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>v</mi> <mo>=</mo> <mrow> <mo>|</mo> <mrow class="MJX-TeXAtom-ORD"> <mi mathvariant="bold-italic">v</mi> </mrow> <mo>|</mo> </mrow> <mo>=</mo> <mrow> <mo>|</mo> <mrow class="MJX-TeXAtom-ORD"> <mrow class="MJX-TeXAtom-ORD"> <mover> <mi mathvariant="bold-italic">r</mi> <mo>˙</mo> </mover> </mrow> </mrow> <mo>|</mo> </mrow> <mo>=</mo> <mrow> <mo>|</mo> <mrow class="MJX-TeXAtom-ORD"> <mfrac> <mrow> <mi>d</mi> <mrow class="MJX-TeXAtom-ORD"> <mi mathvariant="bold-italic">r</mi> </mrow> </mrow> <mrow> <mi>d</mi> <mi>t</mi> </mrow> </mfrac> </mrow> <mo>|</mo> </mrow> <mspace width="thinmathspace" /> <mo>.</mo> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle v=\left|{\boldsymbol {v}}\right|=\left|{\dot {\boldsymbol {r}}}\right|=\left|{\frac {d{\boldsymbol {r}}}{dt}}\right|\,.}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/c3d30c30de480a28669742a2fd1318fe54bbc2aa" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -2.338ex; width:21.67ex; height:5.843ex;" alt="{\displaystyle v=\left|{\boldsymbol {v}}\right|=\left|{\dot {\boldsymbol {r}}}\right|=\left|{\frac {d{\boldsymbol {r}}}{dt}}\right|\,.}"></span></dd></dl> <p>যদি <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle s}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>s</mi> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle s}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/01d131dfd7673938b947072a13a9744fe997e632" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.338ex; width:1.09ex; height:1.676ex;" alt="{\displaystyle s}"></span> হৈছে <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle t}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>t</mi> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle t}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/65658b7b223af9e1acc877d848888ecdb4466560" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.338ex; width:0.84ex; height:2.009ex;" alt="{\displaystyle t}"></span> সময়ত অতিক্ৰম কৰা দূৰত্ব, তেন্তে দ্ৰুতি হ'ব <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle s}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>s</mi> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle s}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/01d131dfd7673938b947072a13a9744fe997e632" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.338ex; width:1.09ex; height:1.676ex;" alt="{\displaystyle s}"></span>ৰ সময়-অৱকলজ </p> <dl><dd><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle v={\frac {ds}{dt}}.}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>v</mi> <mo>=</mo> <mrow class="MJX-TeXAtom-ORD"> <mfrac> <mrow> <mi>d</mi> <mi>s</mi> </mrow> <mrow> <mi>d</mi> <mi>t</mi> </mrow> </mfrac> </mrow> <mo>.</mo> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle v={\frac {ds}{dt}}.}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/6f22a6ada5b3f3d8a9450c9b85fd2d85adf0be76" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -2.005ex; width:8.015ex; height:5.509ex;" alt="{\displaystyle v={\frac {ds}{dt}}.}"></span></dd></dl> <p>যেতিয়া <a href="/wiki/%E0%A6%AC%E0%A7%87%E0%A6%97" title="বেগ">বেগ</a> ধ্ৰুৱক হৈ থাকে, তেতিয়া ইয়াক সৰলাকাৰে <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle v=s/t}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>v</mi> <mo>=</mo> <mi>s</mi> <mrow class="MJX-TeXAtom-ORD"> <mo>/</mo> </mrow> <mi>t</mi> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle v=s/t}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/c9873e85bb5ee76530f1468777977ec27bcdc670" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.838ex; width:7.319ex; height:2.843ex;" alt="{\displaystyle v=s/t}"></span> এনেদৰেও প্ৰকাশ কৰিব পাৰি। </p> <div class="mw-heading mw-heading3"><h3 id="গড়_দ্ৰুতি"><span id=".E0.A6.97.E0.A6.A1.E0.A6.BC_.E0.A6.A6.E0.A7.8D.E0.A7.B0.E0.A7.81.E0.A6.A4.E0.A6.BF"></span>গড় দ্ৰুতি</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=%E0%A6%A6%E0%A7%8D%E0%A7%B0%E0%A7%81%E0%A6%A4%E0%A6%BF&action=edit&section=4" title="শাখা সম্পাদনা: গড় দ্ৰুতি"><span>সম্পাদনা কৰক</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>গড় দ্ৰুতি হৈছে সৰ্বমুঠ দূৰত্বক সময়সীমাৰে হৰণ কৰি পোৱা ৰাশি। উদাহৰণস্বৰূপে, ৮০ কিল'মিটাৰৰ দূৰত্ব অতিক্ৰম কৰিবলে ১ ঘণ্টা লাগে, তেন্তে গড় দ্ৰুতি হ'ব ৮০ কিল'মিটাৰ প্ৰতি ঘণ্টা। তেনেদৰে, ৩২০ কিল'মিটাৰ অতিক্ৰম কৰোঁতেও যদি ৪ ঘণ্টা লাগে, তেন্তে গড় দ্ৰুতি হ'ব ৮০ কিল'মিটাৰ প্ৰতি ঘণ্টা। ক্ষুদ্ৰ সময়ত হ'ব পৰা দ্ৰুতিৰ সলনি গড় দ্ৰুতিৰ পৰা জনা নাযায় আৰু সেয়েহে তাৎক্ষণিক দ্ৰুতিৰ পৰা গড় দ্ৰুতি যথেষ্ট বেলেগ। যদি গড় দ্ৰুতি আৰু যাত্ৰাৰ সময় জনা যায়, তেন্তে অতিক্ৰম কৰা দূৰত্ব হব </p> <dl><dd><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle d={\boldsymbol {\bar {v}}}t\,.}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>d</mi> <mo>=</mo> <mrow class="MJX-TeXAtom-ORD"> <mrow class="MJX-TeXAtom-ORD"> <mover> <mi mathvariant="bold-italic">v</mi> <mo mathvariant="bold" stretchy="false">¯</mo> </mover> </mrow> </mrow> <mi>t</mi> <mspace width="thinmathspace" /> <mo>.</mo> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle d={\boldsymbol {\bar {v}}}t\,.}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/e30a894ed8e8b0e38a9c99e55a152a42deb5f47d" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.338ex; width:7.599ex; height:2.176ex;" alt="{\displaystyle d={\boldsymbol {\bar {v}}}t\,.}"></span></dd></dl> <p>এই সমীকৰণটো ব্যৱহাৰ কৰি ৮০ কিল'মিটাৰ প্ৰতি ঘণ্টা গড়দ্ৰুতিত যোৱা গাড়ী এখনে ৪ ঘণ্টাত ৩২০ কিল'মিটাৰ দূৰত্ব অতিক্ৰম কৰিব। </p><p>দূৰত্ব-সময়ৰ গ্ৰাফত, কোনো এক বিন্দুত স্পৰ্শকৰ প্ৰৱণতাই হৈছে সেই বিন্দুৰ তাৎক্ষণিক দ্ৰুতি আৰু সেই একে গ্ৰাফত, জ্যাৰ প্ৰৱণতা হৈছে জ্যাডালে আগুৰা সময়ক্ষেত্ৰৰ বাবে গড় দ্ৰুতি। </p> <div class="mw-heading mw-heading3"><h3 id="স্পৰ্শকীয়_গতি"><span id=".E0.A6.B8.E0.A7.8D.E0.A6.AA.E0.A7.B0.E0.A7.8D.E0.A6.B6.E0.A6.95.E0.A7.80.E0.A6.AF.E0.A6.BC_.E0.A6.97.E0.A6.A4.E0.A6.BF"></span>স্পৰ্শকীয় গতি</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=%E0%A6%A6%E0%A7%8D%E0%A7%B0%E0%A7%81%E0%A6%A4%E0%A6%BF&action=edit&section=5" title="শাখা সম্পাদনা: স্পৰ্শকীয় গতি"><span>সম্পাদনা কৰক</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>কোনো বৃত্তীয় পথত কোনো বস্তুৰ ৰৈখিক দ্ৰুতিয়েই হৈছে স্পৰ্শকীয় দ্ৰুতি। গতিৰ দিশ বৃত্তৰ স্পৰ্শকৰ দিশত হোৱাৰ বাবে স্পৰ্শকীয় দ্ৰুতি হিচাপে জনা যায়। <a href="/w/index.php?title=%E0%A6%98%E0%A7%82%E0%A7%B0%E0%A7%8D%E0%A6%A3%E0%A7%80%E0%A6%AF%E0%A6%BC_%E0%A6%97%E0%A6%A4%E0%A6%BF&action=edit&redlink=1" class="new" title="ঘূৰ্ণীয় গতি (পৃষ্ঠা নাই)">ঘূৰ্ণীয় গতি</a> হৈছে প্ৰতি একক সময়ত ঘূৰ্ণনৰ সংখ্যা। যদি হৈছে স্পৰ্শকীয় গতি, হৈছে ঘূৰ্ণীয় গতি আৰু হৈছে দূৰত্ব(radial distance), তেন্তে :<span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle v=r\omega \,.}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>v</mi> <mo>=</mo> <mi>r</mi> <mi>ω</mi> <mspace width="thinmathspace" /> <mo>.</mo> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle v=r\omega \,.}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/a983029bacb4456d2c7d778b4cf2ea26ae921f8c" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.338ex; width:7.754ex; height:1.676ex;" alt="{\displaystyle v=r\omega \,.}"></span> </p> <div class="mw-heading mw-heading2"><h2 id="তথ্য_সংগ্ৰহ"><span id=".E0.A6.A4.E0.A6.A5.E0.A7.8D.E0.A6.AF_.E0.A6.B8.E0.A6.82.E0.A6.97.E0.A7.8D.E0.A7.B0.E0.A6.B9"></span>তথ্য সংগ্ৰহ</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=%E0%A6%A6%E0%A7%8D%E0%A7%B0%E0%A7%81%E0%A6%A4%E0%A6%BF&action=edit&section=6" title="শাখা সম্পাদনা: তথ্য সংগ্ৰহ"><span>সম্পাদনা কৰক</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r368696">.mw-parser-output .reflist{font-size:90%;margin-bottom:0.5em;list-style-type:decimal}.mw-parser-output .reflist .references{font-size:100%;margin-bottom:0;list-style-type:inherit}.mw-parser-output .reflist-columns-2{column-width:30em}.mw-parser-output .reflist-columns-3{column-width:25em}.mw-parser-output .reflist-columns{margin-top:0.3em}.mw-parser-output .reflist-columns ol{margin-top:0}.mw-parser-output .reflist-columns li{page-break-inside:avoid;break-inside:avoid-column}.mw-parser-output .reflist-upper-alpha{list-style-type:upper-alpha}.mw-parser-output .reflist-upper-roman{list-style-type:upper-roman}.mw-parser-output .reflist-lower-alpha{list-style-type:lower-alpha}.mw-parser-output .reflist-lower-greek{list-style-type:lower-greek}.mw-parser-output .reflist-lower-roman{list-style-type:lower-roman}</style><div class="reflist"> <div class="mw-references-wrap"><ol class="references"> <li id="cite_note-1"><span class="mw-cite-backlink"><a href="#cite_ref-1">↑</a></span> <span class="reference-text"><span class="citation book">Wilson, Edwin Bidwell (1901). <a rel="nofollow" class="external text" href="http://hdl.handle.net/2027/mdp.39015000962285?urlappend=%3Bseq=149"><i>Vector analysis: a text-book for the use of students of mathematics and physics, founded upon the lectures of J. Willard Gibbs</i></a>. পৃষ্ঠা. 125<span class="printonly">. <a rel="nofollow" class="external free" href="http://hdl.handle.net/2027/mdp.39015000962285?urlappend=%3Bseq=149">http://hdl.handle.net/2027/mdp.39015000962285?urlappend=%3Bseq=149</a></span>.</span><span class="Z3988" title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Vector+analysis%3A+a+text-book+for+the+use+of+students+of+mathematics+and+physics%2C+founded+upon+the+lectures+of+J.+Willard+Gibbs&rft.aulast=Wilson&rft.aufirst=Edwin+Bidwell&rft.au=Wilson%2C%26%2332%3BEdwin+Bidwell&rft.date=1901&rft.pages=%E0%A6%AA%E0%A7%83%E0%A6%B7%E0%A7%8D%E0%A6%A0%E0%A6%BE.%26nbsp%3B125&rft_id=http%3A%2F%2Fhdl.handle.net%2F2027%2Fmdp.39015000962285%3Furlappend%3D%253Bseq%3D149&rfr_id=info:sid/en.wikipedia.org:%E0%A6%A6%E0%A7%8D%E0%A7%B0%E0%A7%81%E0%A6%A4%E0%A6%BF"><span style="display: none;"> </span></span> This is the likely origin of the speed/velocity terminology in vector physics.</span> </li> <li id="cite_note-:0-2"><span class="mw-cite-backlink"><a href="#cite_ref-:0_2-0">↑</a></span> <span class="reference-text"><span class="citation web">Elert, Glenn. <a rel="nofollow" class="external text" href="http://physics.info/velocity/">"Speed & Velocity"</a>. The Physics Hypertextbook<span class="printonly">. <a rel="nofollow" class="external free" href="http://physics.info/velocity/">http://physics.info/velocity/</a></span><span class="reference-accessdate">। আহৰণ কৰা হৈছে: 8 June 2017</span>.</span><span class="Z3988" title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=bookitem&rft.btitle=Speed+%26+Velocity&rft.atitle=&rft.aulast=Elert&rft.aufirst=Glenn&rft.au=Elert%2C%26%2332%3BGlenn&rft.pub=The+Physics+Hypertextbook&rft_id=http%3A%2F%2Fphysics.info%2Fvelocity%2F&rfr_id=info:sid/en.wikipedia.org:%E0%A6%A6%E0%A7%8D%E0%A7%B0%E0%A7%81%E0%A6%A4%E0%A6%BF"><span style="display: none;"> </span></span></span> </li> <li id="cite_note-Hewitt_2006,_p._42-3"><span class="mw-cite-backlink"><a href="#cite_ref-Hewitt_2006,_p._42_3-0">↑</a></span> <span class="reference-text">Hewitt (2006), p. 42</span> </li> </ol></div></div>    </div><noscript><img src="https://login.wikimedia.org/wiki/Special:CentralAutoLogin/start?type=1x1" alt="" width="1" height="1" style="border: none; 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