一个光滑的圆锥体固定在水平桌面上,其轴线沿竖直方向,母线与轴线之间的夹角为A=30度,一条长为L的绳,一端固定在圆锥体的顶点O出,另一端栓着一个质量为M的小物体,物体以速率V绕圆锥体做
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![一个光滑的圆锥体固定在水平桌面上,其轴线沿竖直方向,母线与轴线之间的夹角为A=30度,一条长为L的绳,一端固定在圆锥体的顶点O出,另一端栓着一个质量为M的小物体,物体以速率V绕圆锥体做](/uploads/image/z/6690711-39-1.jpg?t=%E4%B8%80%E4%B8%AA%E5%85%89%E6%BB%91%E7%9A%84%E5%9C%86%E9%94%A5%E4%BD%93%E5%9B%BA%E5%AE%9A%E5%9C%A8%E6%B0%B4%E5%B9%B3%E6%A1%8C%E9%9D%A2%E4%B8%8A%2C%E5%85%B6%E8%BD%B4%E7%BA%BF%E6%B2%BF%E7%AB%96%E7%9B%B4%E6%96%B9%E5%90%91%2C%E6%AF%8D%E7%BA%BF%E4%B8%8E%E8%BD%B4%E7%BA%BF%E4%B9%8B%E9%97%B4%E7%9A%84%E5%A4%B9%E8%A7%92%E4%B8%BAA%EF%BC%9D30%E5%BA%A6%2C%E4%B8%80%E6%9D%A1%E9%95%BF%E4%B8%BAL%E7%9A%84%E7%BB%B3%2C%E4%B8%80%E7%AB%AF%E5%9B%BA%E5%AE%9A%E5%9C%A8%E5%9C%86%E9%94%A5%E4%BD%93%E7%9A%84%E9%A1%B6%E7%82%B9O%E5%87%BA%2C%E5%8F%A6%E4%B8%80%E7%AB%AF%E6%A0%93%E7%9D%80%E4%B8%80%E4%B8%AA%E8%B4%A8%E9%87%8F%E4%B8%BAM%E7%9A%84%E5%B0%8F%E7%89%A9%E4%BD%93%2C%E7%89%A9%E4%BD%93%E4%BB%A5%E9%80%9F%E7%8E%87V%E7%BB%95%E5%9C%86%E9%94%A5%E4%BD%93%E5%81%9A)
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