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 ro u8.s+tl1lboz l p84u+m3-lnoww:.q z/qg9kkaoxy* mels along the looped rough track of Fig. 8–58. What is the minimum value of the verticalo.kn qo pk e9gmaz+ m:8wyx/*ul43q-w height h that the marble must 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%


本题详细解析:

微信扫一扫，分享更方便