形状完全相同的两个小球放在水平面上,m1在m2的左边10cm处,m1以一定的速度碰向m2被弹回.刚好静止在出发点,问m2被碰了多远?m1=2千克,m2=4千克.碰撞无能量损失
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![形状完全相同的两个小球放在水平面上,m1在m2的左边10cm处,m1以一定的速度碰向m2被弹回.刚好静止在出发点,问m2被碰了多远?m1=2千克,m2=4千克.碰撞无能量损失](/uploads/image/z/6752287-55-7.jpg?t=%E5%BD%A2%E7%8A%B6%E5%AE%8C%E5%85%A8%E7%9B%B8%E5%90%8C%E7%9A%84%E4%B8%A4%E4%B8%AA%E5%B0%8F%E7%90%83%E6%94%BE%E5%9C%A8%E6%B0%B4%E5%B9%B3%E9%9D%A2%E4%B8%8A%2Cm1%E5%9C%A8m2%E7%9A%84%E5%B7%A6%E8%BE%B910cm%E5%A4%84%2Cm1%E4%BB%A5%E4%B8%80%E5%AE%9A%E7%9A%84%E9%80%9F%E5%BA%A6%E7%A2%B0%E5%90%91m2%E8%A2%AB%E5%BC%B9%E5%9B%9E.%E5%88%9A%E5%A5%BD%E9%9D%99%E6%AD%A2%E5%9C%A8%E5%87%BA%E5%8F%91%E7%82%B9%2C%E9%97%AEm2%E8%A2%AB%E7%A2%B0%E4%BA%86%E5%A4%9A%E8%BF%9C%3Fm1%3D2%E5%8D%83%E5%85%8B%2Cm2%3D4%E5%8D%83%E5%85%8B.%E7%A2%B0%E6%92%9E%E6%97%A0%E8%83%BD%E9%87%8F%E6%8D%9F%E5%A4%B1)
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