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 is bala ( kv*)zr3)vezb47*mboun x fmnced yamqo5k bgdr2:2,sq4vertically on its tip. It starts to fall and its lower end does not slip. What will ,d25a2kygqr: qb 4mosbe the speed of the upper end of the pole just before it hits the ground? [Hint: Use conservation of energy.]    $m/s$

参考答案: 8.22±2%


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