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如图所示，光滑水平面上有一质量M＝1.98kg的小车，车的B点右侧的上表面是粗糙水平轨道，车的B点的左侧固定以半径R＝0.7m的光滑圆弧轨道，固弧轨道与水平轨道在B点相切，车的最右端D点固定轻质弹簧...
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高三下学期物理《》真题及答案
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如图所示静止在光滑水平面上的小车质量为M=20kg.从水枪中喷的水柱横截面积为S=10cm2速度为v
如图所示光滑水平面上有两辆车甲车上面有发射装置甲车连同发射装置质量M1=1kg车上另有一个质量为m=
如图所示静止在光滑水平面上的小车质量为M=20kg.从水枪中喷的水柱横截面积为S=10cm2速度为v
如图所示有A.B.两质量为M.=100kg的小车在光滑水平面以相同的速率v0=2m/s在同一直线上相
如图所示光滑曲面轨道的水平出口跟停在光滑水平面上的平板小车上表面相平质量为m的小滑块从光滑轨道上某处
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如图所示光滑曲面轨道的水平出口跟停在光滑水平面上的平板小车上表面相平质量为m的小滑块从光滑轨道上某处
如图所示在光滑水平面上有一辆质量M.=8kg的平板小车车上有一个质量m=1.9kg的木块木块可视为质
如图所示光滑水平面上有一静止小车B.左端固定一砂箱砂箱的右端连接一水平轻弹簧小车与砂箱的总质量为M.
如图所示在光滑水平面上有一辆质量M=8kg的平板小车车上有一个质量m=1.9kg的木块木块距小车左端
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如图所示光滑水平面上有两辆车甲车上面有发射装置甲车连同发射装置质量M1=1kg车上另有一个质量为m=
如图所示在光滑的水平面上有A.B.两小车质量均为M.=30kgA.车上有一质量为m=60kg的人A.
如图所示小车上有一竖直杆总质量为M.杆上套有一块质量为m的木块杆与木块间的动摩擦因数为μ小车静止时木
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