[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fod77Xcc8sr-GSKfj4p5UNlgky20Oen4MQz3j_k7KFAk":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":16,"related":17,"source":23,"type":34},[],"2024-01-06 19:53:19",128142234,[8,9,10,11],"r一定小于s","r一定不会大于s","r一定不会小于s","r一定大于s",{"courseId":13,"courseImg":14,"courseName":15},"17571fff263963f18dcb15260afa4a99","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F8b07ed007e45196621318218ff35c56e.png","大学物理B","在一段时间内,质点位移的大小为r,运动过的路程大小为s.则r与s间的关系为",[18,25,35,44,53,62,71,80,88,97],{"answer":19,"createTime":5,"id":20,"options":21,"question":22,"source":23,"type":24},[],128142203,[],"\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F4be487bc27264d6c567bface6467192d.png\">","v1",2,{"answer":26,"createTime":5,"id":27,"options":28,"question":33,"source":23,"type":34},[],128142206,[29,30,31,32],"变加速直线运动,加速度沿x轴负方向","变加速直线运动,加速度沿x轴正方向","匀变速直线运动,加速度沿x轴负方向","匀变速直线运动,加速度沿x轴正方向","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Facf4579c23e285888d98d8548ec39b4b.png\">",0,{"answer":36,"createTime":5,"id":37,"options":38,"question":43,"source":23,"type":34},[],128142210,[39,40,41,42],"合外力为零,合外力矩一定不为零","合外力为零,合外力矩一定为零","合外力为零,合外力矩可以不为零","合外力不为零,合外力矩一定不为零","以下说法正确的是",{"answer":45,"createTime":5,"id":46,"options":47,"question":52,"source":23,"type":34},[],128142214,[48,49,50,51],"\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F210e1c451ccae0a43b6675e3d1759981.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fc6644fb414dcfa6807c04e0c078d22c5.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F2e326598ca04cb90b943b2a5b8d95e0d.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Facc12131b3c2688755441086b8d0a8ca.png\">","一质点沿\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F4f283a882296a7f8b72a2a07f44647f8.png\">轴运动,其速度与时间的关系为\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F22601784b17ed88e5f781dc1f039f5c5.png\">,当\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F0c808459db592faded21771a37ed77d0.png\">时,质点位于\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F7830ae1004bb881fe8f54a9d2d58d45f.png\">处,则质点的运动方程为 ( )",{"answer":54,"createTime":5,"id":55,"options":56,"question":61,"source":23,"type":34},[],128142216,[57,58,59,60],"动量守恒,动能也守恒","动量不守恒,动能守恒","动量不守恒,动能也不守恒","动量守恒,动能不守恒","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fb55336c52d94b3c16439d46d0c59864e.png\">",{"answer":63,"createTime":5,"id":64,"options":65,"question":70,"source":23,"type":34},[],128142226,[66,67,68,69],"-67J","91J","17J","67J","一个质点同时在几个力作用下的位移为:\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F7299e5dc59b7e7077cbfd331935916d1.png\">(SI) 其中一个力为恒力 \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F2983dd8341a23a56d8da4c0a287aa379.png\">(SI),则此力在该位移过程中所作的功为",{"answer":72,"createTime":5,"id":73,"options":74,"question":79,"source":23,"type":34},[],128142230,[75,76,77,78],"-2mv","2mv","mv","0","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F208ba1a93cd432bd01df19a9134e8f20.png\">",{"answer":81,"createTime":5,"id":82,"options":83,"question":87,"source":23,"type":34},[],128142232,[84,78,85,86],"\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F694a9c0aa4747540971448c4123143fb.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F52de1e9bb30bd08697f134b8a97ee05c.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F406b0409379f25154b55f7e47e4315c4.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F5c3ae8e5aba73609e8b5402e98d60cec.png\">",{"answer":89,"createTime":5,"id":90,"options":91,"question":96,"source":23,"type":34},[],128142233,[92,93,94,95],"一般曲线运动","匀变速直线运动","匀速直线运动","抛物线运动","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Ff54d4aea0e562685498b22785f064f0d.png\">",{"answer":98,"createTime":5,"id":6,"options":99,"question":16,"source":23,"type":34},[],[8,9,10,11]]