如图所示三个小球的质量均为mbc两球用轻弹簧连接后放在光�的水平面上a球以速度v0沿bc两球球心的连线�b球运动碰后ab两球粘在 Template




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tomski如图所示三个小球的质量均为mbc两球用轻弹簧连接后放在光�的水平面上a球以速度v0沿bc两球球心的连线�b球运动碰后ab两球粘在 coloring