gc textbook chapter 11 Vibrations and Waves (id: 98a1f6e42)

本题目来源于试卷: gc textbook chapter 11 Vibrations and Waves，类别为 通用国际物理

[填空题]
How long must a simple pendulum be if it is to makeg(ep6w-mt hbt/oe*cl1rn kx-6 w 0z;e exm8mv sk o*o;7factly one swing per second? (That is, one complete vibration takes exactly 2.0 sfso v momk*;87.)    m

参考答案: 0.99±2%


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