本题目来源于试卷: Physics Unit8: Rotational Motion，类别为 Generic Physics
[单选题]
An ice skater performs a pirouette (a fast spin) by pulling in h ,kg4cqw f+bj)54b4tzm nq f.a0j itf)is outstretcher3s;amt +a 3pjmh1pi 2d arms close to his body. What happens to h 3ta2hij1;3r p+maspm is angular momentum about the axis of rotation?
A. It does not change.
B. It increases.
C. It decreases.
D. It changes, but it is impossible to tell which way.
参考答案: A
本题详细解析:
暂无
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Post time 2024-1-22 02:51:16