本题目来源于试卷: Physics Unit8: Rotational Motion，类别为 通用国际物理
[单选题]
A figure skater rotating at 5.00 rad/s with arms extended has-h8pr/: kl njy a moment of inera q3o) pzed gs1fvr gwy8 jos7t45p5:*ge96dw titep5wzosw4ofr) d5* a6s1 y78:v edgpqjg 39ga of
$2.25 \; kgm^{2}$. If the arms are pulled in so the moment of inertia decreases to $1.80 \; kgm^{2}$, what is the final angular speed?
A. 2.25 rad/s
B. 4.60 rad/s
C. 6.25 rad/s
D. 0.81 rad/s
参考答案: C
本题详细解析:
暂无
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