Question

大学物理:一长为L的匀质细杆，可绕通过中心O的固定水平转轴在铅直平面内自由转动（转动惯量为M(L2)/12),开

大学物理:一长为L的匀质细杆，可绕通过中心O的固定水平转轴在铅直平面内自由转动（转动惯量为M(L2)/12),开始时杆水平静止，一质量与杆相同的昆虫以速度V垂直落到杆上L/4处，昆虫下落后立即向杆的端点爬去，若要使杆匀角速度转动，试求昆虫沿杆爬行的速率？

Answer 1

轴与杆之间的摩擦没有说啊，还有，算不算这个昆虫落到杆上瞬间所产生的冲量？

Answer 2

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Answer 3

这是大学习题吗？所列微分方程貌似无法求解啊！