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 5.09* o6fpuik oxn5:y7o- 5wp4qelht.km 0 rad/s with arms extend,qji :e ;qre,8,e*yjalqjc d3ed has a moment of inertia ocjerj3*:y ,da8 qij el ,qe,;qf
$2.25 \; kgm^{2}$. 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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