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;n hl5rtvla;e . 0zop1 yt- 9zvyuyf+ly -29e/b v v6yv,oj+xy rolls along the looped rough track of Fig. 8–58. What is the minimum value of the vertical height h that the marble m92e yv+jl/ ftv-9yoy+y-v6xyvub ,yzust drop 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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