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bokeyuan
5 天
圆锥绳套问题
一个弹性绳套质量为m,劲度系数为k,原长为l,保持水平地套在顶角为2α的光滑圆锥上,求平衡时候绳套距顶点的高度,已知弹簧的弹性势能为Ep等于1/2kx² ...
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