如图所示是一个横截面半圆,半径为R的光滑柱面,一根不可伸长的细线,两端分别系着物体A、B,且m⒜=2m⒝,由图示位置从静止开始释放A物体,当物体B达到圆柱顶点是时,求B到达半圆顶点时的
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![如图所示是一个横截面半圆,半径为R的光滑柱面,一根不可伸长的细线,两端分别系着物体A、B,且m⒜=2m⒝,由图示位置从静止开始释放A物体,当物体B达到圆柱顶点是时,求B到达半圆顶点时的](/uploads/image/z/9910860-60-0.jpg?t=%E5%A6%82%E5%9B%BE%E6%89%80%E7%A4%BA%E6%98%AF%E4%B8%80%E4%B8%AA%E6%A8%AA%E6%88%AA%E9%9D%A2%E5%8D%8A%E5%9C%86%2C%E5%8D%8A%E5%BE%84%E4%B8%BAR%E7%9A%84%E5%85%89%E6%BB%91%E6%9F%B1%E9%9D%A2%2C%E4%B8%80%E6%A0%B9%E4%B8%8D%E5%8F%AF%E4%BC%B8%E9%95%BF%E7%9A%84%E7%BB%86%E7%BA%BF%2C%E4%B8%A4%E7%AB%AF%E5%88%86%E5%88%AB%E7%B3%BB%E7%9D%80%E7%89%A9%E4%BD%93A%E3%80%81B%2C%E4%B8%94m%26%239372%3B%3D2m%26%239373%3B%2C%E7%94%B1%E5%9B%BE%E7%A4%BA%E4%BD%8D%E7%BD%AE%E4%BB%8E%E9%9D%99%E6%AD%A2%E5%BC%80%E5%A7%8B%E9%87%8A%E6%94%BEA%E7%89%A9%E4%BD%93%2C%E5%BD%93%E7%89%A9%E4%BD%93B%E8%BE%BE%E5%88%B0%E5%9C%86%E6%9F%B1%E9%A1%B6%E7%82%B9%E6%98%AF%E6%97%B6%2C%E6%B1%82B%E5%88%B0%E8%BE%BE%E5%8D%8A%E5%9C%86%E9%A1%B6%E7%82%B9%E6%97%B6%E7%9A%84)
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