本题目来源于试卷: Physics Unit8: Rotational Motion，类别为 国际高中通用物理
[单选题]
An ice skater performs a pi:9pxt yil kgym9x:; ykvy (0.prouette (a fast spinuv* aeb.yd*h+5zsx3b) by pulling in his outstretched arm **ysbu xh.bd3av5 ze+s close to his body. What happens to his 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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