本题目来源于试卷: Physics Unit8: Rotational Motion，类别为 Generic Physics
[单选题]
A figure skater rotating ,xlf.(yde 1cy+ yi: ov (aoou+lox)a+qt /qoyf5 /v4 wyu en3(a o7yxu7f(wo1at 5.00 rad/s with arms extended has a moment of inertiawouou(3/awvy xy/q(e tqo 47 fn5f71y 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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Post time 2024-1-22 02:51:16