gc textbook chapter 11 Vibrations and Waves (id: f1ee138a1)

本题目来源于试卷: gc textbook chapter 11 Vibrations and Waves，类别为 IB物理学

[填空题]
If two successive overtones of j1qtx3a :x5aj a vibrating stie ; ijw2u9f1 t9ng0flring are 280 Hz and 350 Hz, what is the frequency ofngfwj 2u9t f; i91ile0 the fundamental?    Hz

参考答案: 70±2%


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