本题目来源于试卷: Physics Unit8: Rotational Motion，类别为 Generic Physics
[单选题]
A hoop of radius 0.50 m and a mass of 0.2t c h*;jq0jouhx006q b0 kg is released from rest and allowe (zf,esxi;aa8 d to roll down an inclined plane. How fast is it moving after dropping fa(ea zx;,s8 ia vertical distance of 3.0 m?
A. 2.2 m/s
B. 3.8 m/s
C. 5.4 m/s
D. 7.7 m/s
参考答案: C
本题详细解析:
暂无
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Post time 2024-1-22 02:51:16