是不是都没人做的出这道动量的题啊在光滑的水平面上有A.B两辆小车(B在左,A在右)在小车B上坐着一个小孩,车B与小孩的总质量是车A的10倍.从静止开始,小孩把车A以速度v(对地)向左推出,车A与
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![是不是都没人做的出这道动量的题啊在光滑的水平面上有A.B两辆小车(B在左,A在右)在小车B上坐着一个小孩,车B与小孩的总质量是车A的10倍.从静止开始,小孩把车A以速度v(对地)向左推出,车A与](/uploads/image/z/11592635-59-5.jpg?t=%E6%98%AF%E4%B8%8D%E6%98%AF%E9%83%BD%E6%B2%A1%E4%BA%BA%E5%81%9A%E7%9A%84%E5%87%BA%E8%BF%99%E9%81%93%E5%8A%A8%E9%87%8F%E7%9A%84%E9%A2%98%E5%95%8A%E5%9C%A8%E5%85%89%E6%BB%91%E7%9A%84%E6%B0%B4%E5%B9%B3%E9%9D%A2%E4%B8%8A%E6%9C%89A.B%E4%B8%A4%E8%BE%86%E5%B0%8F%E8%BD%A6%28B%E5%9C%A8%E5%B7%A6%2CA%E5%9C%A8%E5%8F%B3%29%E5%9C%A8%E5%B0%8F%E8%BD%A6B%E4%B8%8A%E5%9D%90%E7%9D%80%E4%B8%80%E4%B8%AA%E5%B0%8F%E5%AD%A9%2C%E8%BD%A6B%E4%B8%8E%E5%B0%8F%E5%AD%A9%E7%9A%84%E6%80%BB%E8%B4%A8%E9%87%8F%E6%98%AF%E8%BD%A6A%E7%9A%8410%E5%80%8D.%E4%BB%8E%E9%9D%99%E6%AD%A2%E5%BC%80%E5%A7%8B%2C%E5%B0%8F%E5%AD%A9%E6%8A%8A%E8%BD%A6A%E4%BB%A5%E9%80%9F%E5%BA%A6v%28%E5%AF%B9%E5%9C%B0%EF%BC%89%E5%90%91%E5%B7%A6%E6%8E%A8%E5%87%BA%2C%E8%BD%A6A%E4%B8%8E)
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