Physics Unit8: Rotational Motion (id: 10716564f)

本题目来源于试卷: Physics Unit8: Rotational Motion，类别为 国际高中通用物理

[单选题]
A hoop of radius 0.50 m a. fv, g0v0y6dtbjo o99iri5bvnd a mass ofm; pra ss.udx9s3v -f8gg vp1* 0.20 kg is released from rest and allowed to roll down *uvxgs -r;dsm9pgpa 1.sv83fan inclined plane. How fast is it moving after dropping a 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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