gc textbook chapter 8 Rotational Motion (id: d5047fc16)

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

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A 2.30-m-long pole is balanced vertically on its9goo q6c1lk7 t(wi+ v*a yty+d ag*n /fr9(mdzmy py;vp/ x -y.tip. It starts to fall and its lower end does not slip. What will be the speed of the upper end of the pole just before it hits the ground? [Hint: Use conservat/(*9g.d y xmpmynp ;vayz- /frion of energy.]    $m/s$

参考答案: 8.22±2%


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