【简答题】![](https://cos-cdn.shuashuati.com/shuashuati-web/2024-0521-0905-00/logo-new-ad743.png)
如图所示,小车的质量为M=3kg,车的上表面左端为 1 4 光滑圆弧BC,右端为水平粗糙平面AB,二者相切于B点,AB的长为L=4m,一质量为m=1kg的小物块,放在车的最右端,小物块与车之间的动摩擦因数为μ=0.10.车和小物块一起以v0=4m/s的速度在光滑水平面上匀速向左运动,小车撞墙后瞬间速度变为零,但未与墙粘连.g取10m/s2,求:(1)小物块沿圆弧上升的最大高度为多少?(2)小物块从最高点返回后与车的速度相同时,小物块距B端多远.
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参考答案:
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参考解析:
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