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 b;a;z 2qalch/q5 gdrk::7g2jkvm y.a malanced vertically on its tip. It st3tes6t- y ( 9qxc3c6iiyicr7m :zp3 bgarts to fall and its lower end does not slip. What will be the speed of the upper end of the pole just before it hit3zg ii6sx9 tr 6ye 3pqbtym(ic3- :cc7s the ground? [Hint: Use conservation of energy.]    $m/s$

参考答案: 8.22±2%


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