高中物理题(动量能量守恒)两个木块A和B的质量分别为mA=3kg,mB=2kg,A、B之间用一轻弹簧连接在一起.A靠在墙壁上,用力F推B使两木块之间弹簧压缩,地面光滑.当轻弹簧具有8J的势能时,突然撤去力
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![高中物理题(动量能量守恒)两个木块A和B的质量分别为mA=3kg,mB=2kg,A、B之间用一轻弹簧连接在一起.A靠在墙壁上,用力F推B使两木块之间弹簧压缩,地面光滑.当轻弹簧具有8J的势能时,突然撤去力](/uploads/image/z/4650995-11-5.jpg?t=%E9%AB%98%E4%B8%AD%E7%89%A9%E7%90%86%E9%A2%98%EF%BC%88%E5%8A%A8%E9%87%8F%E8%83%BD%E9%87%8F%E5%AE%88%E6%81%92%EF%BC%89%E4%B8%A4%E4%B8%AA%E6%9C%A8%E5%9D%97A%E5%92%8CB%E7%9A%84%E8%B4%A8%E9%87%8F%E5%88%86%E5%88%AB%E4%B8%BAmA%3D3kg%2CmB%3D2kg%2CA%E3%80%81B%E4%B9%8B%E9%97%B4%E7%94%A8%E4%B8%80%E8%BD%BB%E5%BC%B9%E7%B0%A7%E8%BF%9E%E6%8E%A5%E5%9C%A8%E4%B8%80%E8%B5%B7.A%E9%9D%A0%E5%9C%A8%E5%A2%99%E5%A3%81%E4%B8%8A%2C%E7%94%A8%E5%8A%9BF%E6%8E%A8B%E4%BD%BF%E4%B8%A4%E6%9C%A8%E5%9D%97%E4%B9%8B%E9%97%B4%E5%BC%B9%E7%B0%A7%E5%8E%8B%E7%BC%A9%2C%E5%9C%B0%E9%9D%A2%E5%85%89%E6%BB%91.%E5%BD%93%E8%BD%BB%E5%BC%B9%E7%B0%A7%E5%85%B7%E6%9C%898J%E7%9A%84%E5%8A%BF%E8%83%BD%E6%97%B6%2C%E7%AA%81%E7%84%B6%E6%92%A4%E5%8E%BB%E5%8A%9B)
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