Physics Unit8: Rotational Motion (id: 10716564f)

本题目来源于试卷: Physics Unit8: Rotational Motion，类别为 通用国际物理

[单选题]
A hoop of radius 0.50 m and a mass of 0.2)e 1(ohj9kxrrqhiy z -/fj e950 kg is released from rn-kwj;hlw1 l 2zlj -9iest and allowed to roll down an inclined plane. How fast is it moving after dropping aj;lwjk1 nw-h2lil -z9 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

微信扫一扫，分享更方便