gc textbook chapter 8 Rotational Motion (id: 30cce5165)

本题目来源于试卷: gc textbook chapter 8 Rotational Motion，类别为 通用国际物理

[填空题]
A 2.30-m-long pole is balanced vertically on ityr1dwk. xch4 *s tip. It starts tl;id9mj /l(d cwbfdq5n3k +9.vo* fns 3a9qcoo fall and its lower end does not slip. What will be theaf*o 5m (wbnqi3co/9q9nl3kdv. dc;9f j+dl s 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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