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

[填空题]
A 2.30-m-long pole iszv2l*(o xsm 1k balanced vertically on its tip. Iwj g(1w (cd1ylt 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 th ywdj(cl1(1wg e ground? [Hint: Use conservation of energy.]    $m/s$

参考答案: 8.22±2%


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