本题目来源于试卷: Physics Unit8: Rotational Motion，类别为 通用国际物理
[单选题]
An ice skater performs a pirouette (a fast spin) , e3vw +h;pylobdy5e2nqc/ odx) 6t c1ty pulling in his outstretched arms close to his body. What happens to his moment of inertia about the axis of rotacdo1nt d2/cqx )6yet5tion?
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: C
本题详细解析:
暂无
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