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) by pull ,49zolxf2 nydxrl k8)s + h q+nar:afcm*1x5jing in his outstretched arms close to his body. What happens to his moment of inertia about the axis of ro+cx *nq m+as:1hr5jfatation?
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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