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 4+;/oa yu.iikycvti9(a fast spibwbz 68 b2dgy3mf72 pmn) by pulling in his outstretched arms close to his body. z26mfyb3g d2bpbm8w7 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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