Vibrations and Waves (id: 1c33440dc)

本题目来源于试卷: Vibrations and Waves，类别为 IB物理学

[填空题]
What is the period of a simplr2c5w)tp/6r8ebx zh pe pendulum c *q:arqjsj/n( w ee:-80 cm long
(a) on the Earth,    s
(b) when it is in a freely falling elevator?

参考答案: 1.8±2%


本题详细解析:

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