gc textbook chapter 8 Rotational Motion (id: cb6833f2d)

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本题目来源于试卷: gc textbook chapter 8 Rotational Motion，类别为 unclassified

[填空题]
A figure skater can increase her spin rotation ruw9jahykj+ 6 (ate f,d3,lhy.mq h,pvk ly)rom an initial rate of 1.0 rev evelhhy)p ,,q vm d3y,l.kry 2.0 s to a final rate of 3 $rev/s$ If her initial moment of inertia was 4.6 kg*$m^2$ what is her final moment of inertia? How does she physically accomplish this change?    $kg \cdot m^2$

参考答案: 0.77±2%


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