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 and a masdy t 7p9df*oj7s of 0.20 kgj2a nc (d4nlv h;4o27l4 8ilas qxlzy- is released from rest and allowed to roll down an inclined plane. How fast is it moving afterl8xldsc-l4;a4v27ha4jnql ynz2i ( o 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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