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

[填空题]
A marble of mass m and radius r rolls along the l0e)fl ld ms*,sooped rough + xycmhl am;.c705t; tock3lttrack of Fig. 8–58. tm0ckh t+3 ;ca;mxty75l l .ocWhat 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 track? Assume $r\ll R$ and ignore frictional losses. h =    R

参考答案: 2.7±2%


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