本题目来源于试卷: Physics Unit8: Rotational Motion,类别为 Generic Physics
[单选题]
An ice skater performs a pirouette (a fast spinqu, p;4q y av5k*befp2i6az3s ) by m6sx8 o+ojp v:+uh2ape4h(w4x n. ssupulling in his outstretched arms close to his body. What happens to his angular momentum about the axis of r 6.2n 4o h as(: 4sopphxvxew+ujum8s+otation?
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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