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gc textbook chapter 8 Rotational Motion (id: dd74ff4c3)

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Post time 2025-2-18 20:00:22 | Show all posts |Read mode
本题目来源于试卷: gc textbook chapter 8 Rotational Motion,类别为 unclassified

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A marble of mass m and ry * k9ty1v 8wt/ug-dhqofpax;-g gl5nij(.5xadius r jb,f g gp65/kmrolls along the looped rough track of Fig. 8–58. What is the minimum value of the vertical height h that the marble must d6/kjfmg b g5p,rop if it is to reach the highest point of the loop without leaving the track? Assume $r\ll R$ and ignore frictional losses. h =    R





参考答案: 2.7±2%


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