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 pirozdqszab;ui 2o 0 9:aj.j4bl )uuetteid 6ab1vf qwfb/9, /fc (a fast spin) by pulling in his outstretched arms close to his body. What happens to his moment of ac6f,vbdq b1fw i/9 f/inertia 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: C
本题详细解析:
暂无
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