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class="iconw-fixed"></i> <span>當前位置：</span>   <a href="/question?tree_type=category&xd=3&chid=6" class="pointer">高中物理</a> <span>/</span> <a href="javascript:;">單選題</a> </div> <div id="tpfrnr3" class="m-wrap g-cw cfx"> <div id="pzpxnhl" class="w fl"> <div id="xlplrdl" class="g-mn2"> <ul id="J_question_detail" > <li> <div id="fxxr35j" class="question-block"> <div id="lthdh93" class="q-mc"> <h1 class="q-tit"> 1. <a href="/paper/view-5196691.shtml" class="ques-origin a-pointer" target="_blank"> (2023高一下·黑龍江期末) </a> 如圖，一帶正電的點電荷固定于<img class="mathml" src="http://math.21cnjy.com/MathMLToImage?mml=%3Cmath+xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F1998%2FMath%2FMathML%22%3E%3Cmi%3EO%3C%2Fmi%3E%3C%2Fmath%3E" style="max-width:100%;vertical-align: middle;">點，兩虛線圓均以<img class="mathml" src="http://math.21cnjy.com/MathMLToImage?mml=%3Cmath+xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F1998%2FMath%2FMathML%22%3E%3Cmi%3EO%3C%2Fmi%3E%3C%2Fmath%3E" style="max-width:100%;vertical-align: middle;">為圓心，兩實線分別為帶電粒子M和N先后在電場中運動的軌跡，<img class="mathml" src="http://math.21cnjy.com/MathMLToImage?mml=%3Cmath+xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F1998%2FMath%2FMathML%22%3E%3Cmi%3Ea%3C%2Fmi%3E%3C%2Fmath%3E" style="max-width:100%;vertical-align: middle;">、<img class="mathml" src="http://math.21cnjy.com/MathMLToImage?mml=%3Cmath+xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F1998%2FMath%2FMathML%22%3E%3Cmi%3Eb%3C%2Fmi%3E%3C%2Fmath%3E" style="max-width:100%;vertical-align: middle;">、<img class="mathml" src="http://math.21cnjy.com/MathMLToImage?mml=%3Cmath+xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F1998%2FMath%2FMathML%22%3E%3Cmi%3Ec%3C%2Fmi%3E%3C%2Fmath%3E" style="max-width:100%;vertical-align: middle;">、<em>d</em>、<img class="mathml" src="http://math.21cnjy.com/MathMLToImage?mml=%3Cmath+xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F1998%2FMath%2FMathML%22%3E%3Cmn%3Ee%3C%2Fmn%3E%3C%2Fmath%3E" style="max-width:100%;vertical-align: middle;">為軌跡和虛線圓的交點，不計重力。下列說法錯誤的是（　?。?p><img width="130" height="127" src="http://tikupic.21cnjy.com/2023/08/20/e0/fd/e0fdb4f63730751b75870d3d3406ad76_140x137.png" style="max-width:100%;"></p> </h1> <div id="1hjfdf1" class="exam-s"> <span id="9nhtljz" class="op-item"><span id="jb1h31j" class="op-item-nut">A . </span><span id="b3plxnh" class="op-item-meat">M帶負電荷，N帶正電荷</span></span> <span id="155xj53" class="op-item"><span id="f7v3vxz" class="op-item-nut">B . </span><span id="pt1d5zl" class="op-item-meat">M在<img class="mathml" src="http://math.21cnjy.com/MathMLToImage?mml=%3Cmath+xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F1998%2FMath%2FMathML%22%3E%3Cmi%3Eb%3C%2Fmi%3E%3C%2Fmath%3E" style="max-width:100%;vertical-align: middle;">點的動能小于它在<img class="mathml" src="http://math.21cnjy.com/MathMLToImage?mml=%3Cmath+xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F1998%2FMath%2FMathML%22%3E%3Cmi%3Ea%3C%2Fmi%3E%3C%2Fmath%3E" style="max-width:100%;vertical-align: middle;">點的動能</span></span> <span id="1x1pbr7" class="op-item"><span id="vbjd3dp" class="op-item-nut">C . </span><span id="bjnnl3f" class="op-item-meat">N在<em>d</em>點的電勢能等于它在<img class="mathml" src="http://math.21cnjy.com/MathMLToImage?mml=%3Cmath+xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F1998%2FMath%2FMathML%22%3E%3Cmn%3Ee%3C%2Fmn%3E%3C%2Fmath%3E" style="max-width:100%;vertical-align: middle;">點的電勢能</span></span> <span id="dnt1xzz" class="op-item"><span id="pf557pv" class="op-item-nut">D . </span><span id="rv9r1bh" class="op-item-meat">N在從<img class="mathml" src="http://math.21cnjy.com/MathMLToImage?mml=%3Cmath+xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F1998%2FMath%2FMathML%22%3E%3Cmi%3Ec%3C%2Fmi%3E%3C%2Fmath%3E" style="max-width:100%;vertical-align: middle;">點運動到<em>d</em>點的過程中克服電場力做功</span></span> </div> </div> </div> </li> </ul> <div style="height:20px;background-color: #fff;margin-top:1px"></div>  <div class="n1jll31" id="J_ConnectQuestionsdBox"> </div> </div> </div> <div id="xxdlxl3" class="g-sd2">  <div style="background:#fff;padding:20px 0;margin-bottom:20px;text-align:center;"> <img src="/question/paper-qrcode?id=54692060" width="140px" height="140px" alt=""> <p style="text-align:center;margin-top: 10px">微信掃碼預覽、分享更方便</p> </div> <div id="pxzjhtj" class="analyize-extend JV_question__papers"> <h3 class="extend-mt">使用過本題的試卷</h3> <ul class="extend-mc"> <li> <a href="/paper/view-5196691.shtml" target="_blank" title="黑龍江省某校2022-2023學年高一下學期期末物理試題" class="ex-tit"> <b></b><span>黑龍江省某校2022-2023學年高一下學期期末物理試題</span> </a> </li> </ul> </div>  <div id="13799rn" class="JV_question__subject"> <ul class="subjects-recomm"> <li> <a href="/merge?id=394" target="_blank"> <img src="https://tikupic.21cnjy.com/2024/11/13/76/a7/76a76e6216d40a4b182e08db669f4e9c.jpg"> </a> </li> <li> <a href="/merge?id=390" target="_blank"> <img src="https://tikupic.21cnjy.com/2024/09/29/ed/45/ed453a7e6f57e01cc4f6f1bd955a6a1c.jpg"> </a> </li> <li> <a href="/merge?id=388" target="_blank"> <img src="https://tikupic.21cnjy.com/2024/09/24/4a/da/4ada51dc83cb91069cbe14038588a3c6.jpg"> </a> </li> </ul> </div> </div> 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