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 rtam/ d :fx e135tpl)a(a fast spin) by pulling in his outsxppy2z7q(5 dj km,s9rtyd61itretched arr9d 6j5 1y7szy,(ppd2i txqkmms close to his body. What happens to his moment of 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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