gc textbook chapter 8 Rotational Motion (id: 692c63b9d)

本题目来源于试卷: gc textbook chapter 8 Rotational Motion，类别为 通用国际物理

[填空题]
A marble of mass m and radius r roll v ;atkoc w00(9mtgy34igoex4sa2 8kbs ggz64bkky9;b 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 thy9k; 2bb6k k4 agbgz8se track? Assume $r\ll R$ and ignore frictional losses. h =    R

参考答案: 2.7±2%


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