Physics Unit6: Work and Energy (id: c22e1a4ac)

本题目来源于试卷: Physics Unit6: Work and Energy，类别为 通用国际物理

本题为动态变量类型，下面题目描述与解答中出现的数值不同于您在作答时遇到的数值！

[单选题]
A 2-kg pendulum of length 50 cm is pulled 0.30 m away from the ve,owx,s zi,d+xyt e:p 1rb 2bl0rtical a kq*3mi8es n-wxis and released from rest. What will be its speed at the bottom of -mi n q3k*ws8eits swing?

A. 0.42 m/s
B. 1.12 m/s
C. 1.68 m/s
D. 1.40 m/s


参考答案:  D


本题详细解析: 暂无

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