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<li> <div id="wk0uuwy" class="question-block"> <div id="0iukgkk" class="q-mc"> <h1 class="q-tit"> 1. <a href="javascript:;" class="ques-origin " target="_self"> (2020高一下·重慶期末) </a> 如圖是某小組驗證動能定理的實驗裝置，在滑塊上安裝一遮光條與拉力傳感器，把滑塊放在水平氣墊導軌上，通過定滑輪的細繩與鉤碼相連，光電門安裝在B處．測得滑塊 <img class="mathml" src="http://math.21cnjy.com/MathMLToImage?mml=%3Cmath+xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F1998%2FMath%2FMathML%22%3E%3Cmo+stretchy%3D%22false%22%3E%28%3C%2Fmo%3E%3C%2Fmath%3E" style="max-width:100%;vertical-align: middle;"> 含遮光條和拉力傳感器 <img class="mathml" src="http://math.21cnjy.com/MathMLToImage?mml=%3Cmath+xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F1998%2FMath%2FMathML%22%3E%3Cmo+stretchy%3D%22false%22%3E%29%3C%2Fmo%3E%3C%2Fmath%3E" style="max-width:100%;vertical-align: middle;"> 質(zhì)量為M、鉤碼的總質(zhì)量為m、遮光條的寬度為d，當?shù)氐闹亓铀俣葹?<img class="mathml" src="http://math.21cnjy.com/MathMLToImage?mml=%3Cmath+xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F1998%2FMath%2FMathML%22%3E%3Cmrow%3E%3Cmi%3Eg%3C%2Fmi%3E%3Cmo%3E.%3C%2Fmo%3E%3C%2Fmrow%3E%3C%2Fmath%3E" style="max-width:100%;vertical-align: middle;"> 當氣墊導軌充氣后，將滑塊在圖示A位置由靜止釋放后，拉力傳感器記錄的讀數(shù)為F，光電門記錄的時間為 <img class="mathml" src="http://math.21cnjy.com/MathMLToImage?mml=%3Cmath+xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F1998%2FMath%2FMathML%22%3E%3Cmrow%3E%3Cmo%3E%E2%96%B3%3C%2Fmo%3E%3Cmi%3Et%3C%2Fmi%3E%3C%2Fmrow%3E%3C%2Fmath%3E" style="max-width:100%;vertical-align: middle;"> ． <p align="left"> <img width="275" height="159" src="http://tikupic.21cnjy.com/2020/09/08/5ada602da57ad78090743e5197f43d24.png" style="max-width:100%;"> </p> </h1> <ol class="q-bd-list"> <li> <div id="kame4e4" class="question-block"> <div id="se4mk4u" class="q-mc"> <div id="4iwqikm" class="q-tit"> （1）實驗中是否要求鉤碼總質(zhì)量m遠小于滑塊質(zhì)量M？<span id="iqcyoq4" class="filling" ></span> <img class="mathml" src="http://math.21cnjy.com/MathMLToImage?mml=%3Cmath+xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F1998%2FMath%2FMathML%22%3E%3Cmo+stretchy%3D%22false%22%3E%28%3C%2Fmo%3E%3C%2Fmath%3E" style="max-width:100%;vertical-align: middle;"> 填“是”或“否” <img class="mathml" src="http://math.21cnjy.com/MathMLToImage?mml=%3Cmath+xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F1998%2FMath%2FMathML%22%3E%3Cmo+stretchy%3D%22false%22%3E%29%3C%2Fmo%3E%3C%2Fmath%3E" style="max-width:100%;vertical-align: middle;"> ； </div> </div> </div> <li> <li> <div id="am0cw4i" class="question-block"> <div id="ow4cu04" class="q-mc"> <div id="qyo0ceg" class="q-tit"> （2）測得AB之間的距離為L，則對滑塊驗證動能定理的表達式為<span id="qu40ii0" class="filling" ></span> <img class="mathml" src="http://math.21cnjy.com/MathMLToImage?mml=%3Cmath+xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F1998%2FMath%2FMathML%22%3E%3Cmo+stretchy%3D%22false%22%3E%28%3C%2Fmo%3E%3C%2Fmath%3E" style="max-width:100%;vertical-align: middle;"> 用以上對應物理量的符號表示 <img class="mathml" 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