如图所示,左端带有半径为R的四分之一圆弧的光滑轨道静止于光滑平面上轨道右端安装一个减振装置光滑轨道的质量为2M,两弹性小球的质量均为M,B球静止与轨道的水平部分A小球置于轨道顶端
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![如图所示,左端带有半径为R的四分之一圆弧的光滑轨道静止于光滑平面上轨道右端安装一个减振装置光滑轨道的质量为2M,两弹性小球的质量均为M,B球静止与轨道的水平部分A小球置于轨道顶端](/uploads/image/z/6737379-51-9.jpg?t=%E5%A6%82%E5%9B%BE%E6%89%80%E7%A4%BA%2C%E5%B7%A6%E7%AB%AF%E5%B8%A6%E6%9C%89%E5%8D%8A%E5%BE%84%E4%B8%BAR%E7%9A%84%E5%9B%9B%E5%88%86%E4%B9%8B%E4%B8%80%E5%9C%86%E5%BC%A7%E7%9A%84%E5%85%89%E6%BB%91%E8%BD%A8%E9%81%93%E9%9D%99%E6%AD%A2%E4%BA%8E%E5%85%89%E6%BB%91%E5%B9%B3%E9%9D%A2%E4%B8%8A%E8%BD%A8%E9%81%93%E5%8F%B3%E7%AB%AF%E5%AE%89%E8%A3%85%E4%B8%80%E4%B8%AA%E5%87%8F%E6%8C%AF%E8%A3%85%E7%BD%AE%E5%85%89%E6%BB%91%E8%BD%A8%E9%81%93%E7%9A%84%E8%B4%A8%E9%87%8F%E4%B8%BA2M%2C%E4%B8%A4%E5%BC%B9%E6%80%A7%E5%B0%8F%E7%90%83%E7%9A%84%E8%B4%A8%E9%87%8F%E5%9D%87%E4%B8%BAM%2CB%E7%90%83%E9%9D%99%E6%AD%A2%E4%B8%8E%E8%BD%A8%E9%81%93%E7%9A%84%E6%B0%B4%E5%B9%B3%E9%83%A8%E5%88%86A%E5%B0%8F%E7%90%83%E7%BD%AE%E4%BA%8E%E8%BD%A8%E9%81%93%E9%A1%B6%E7%AB%AF)
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