一道比较难的高一物理题,带图一个质量m=5kg的小球系于弹簧的一端,套在光滑竖立圆环上,环半径R=0.5m.弹簧原长l0=R=0.5m,当球从图5-59中位置C滑至最低点B时,测得vB=3m/s,则在 B点时弹簧的弹性势
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![一道比较难的高一物理题,带图一个质量m=5kg的小球系于弹簧的一端,套在光滑竖立圆环上,环半径R=0.5m.弹簧原长l0=R=0.5m,当球从图5-59中位置C滑至最低点B时,测得vB=3m/s,则在 B点时弹簧的弹性势](/uploads/image/z/3830063-23-3.jpg?t=%E4%B8%80%E9%81%93%E6%AF%94%E8%BE%83%E9%9A%BE%E7%9A%84%E9%AB%98%E4%B8%80%E7%89%A9%E7%90%86%E9%A2%98%2C%E5%B8%A6%E5%9B%BE%E4%B8%80%E4%B8%AA%E8%B4%A8%E9%87%8Fm%3D5kg%E7%9A%84%E5%B0%8F%E7%90%83%E7%B3%BB%E4%BA%8E%E5%BC%B9%E7%B0%A7%E7%9A%84%E4%B8%80%E7%AB%AF%2C%E5%A5%97%E5%9C%A8%E5%85%89%E6%BB%91%E7%AB%96%E7%AB%8B%E5%9C%86%E7%8E%AF%E4%B8%8A%2C%E7%8E%AF%E5%8D%8A%E5%BE%84R%3D0.5m%EF%BC%8E%E5%BC%B9%E7%B0%A7%E5%8E%9F%E9%95%BFl0%3DR%3D0.5m%2C%E5%BD%93%E7%90%83%E4%BB%8E%E5%9B%BE5-59%E4%B8%AD%E4%BD%8D%E7%BD%AEC%E6%BB%91%E8%87%B3%E6%9C%80%E4%BD%8E%E7%82%B9B%E6%97%B6%2C%E6%B5%8B%E5%BE%97vB%3D3m%EF%BC%8Fs%2C%E5%88%99%E5%9C%A8+B%E7%82%B9%E6%97%B6%E5%BC%B9%E7%B0%A7%E7%9A%84%E5%BC%B9%E6%80%A7%E5%8A%BF)
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