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gc textbook chapter 8 Rotational Motion (id: d5047fc16)

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Post time 2025-2-18 20:00:22 | Show all posts |Read mode
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 balanced vertically on9 :h0eoi b-p1lj evw5i its tip. It sta9a36w l yq hvw/az*-mprts 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 grwy /mz*w6p9qva 3hl- aound? [Hint: Use conservation of energy.]    $m/s$




参考答案: 8.22±2%


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