gc textbook chapter 8 Rotational Motion (id: dd74ff4c3)

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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 s :yfe+9i /wkjx9 lfui1sus71 radius r rol8igj h8c5 -pz .np7eisls along the looped rough track of Fig. 8–58. What is the minimum value of the vertical height h that the marble must drop if it is to reach the highest point of the loop without leaving the t 8c ippsz-n.eh ij87g5rack? Assume $r\ll R$ and ignore frictional losses. h =    R

参考答案: 2.7±2%


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