gc textbook chapter 12 Sound (id: c3efab029)

本题目来源于试卷: gc textbook chapter 12 Sound，类别为 通用国际物理

[填空题]
A guitar string produces 4 beats/s when sounded wive4v( /fn2evm th a 350-Hz tuning foee*(cw4.mpq yc i4,gw(l*zkwrk and 9 beats/s when sounded with a 355-Hz tuning fork. What is the vibrational frequency of the string? Explain your reasoning4c 4emwp* kwige z*wly.q((,c.    Hz

参考答案: 346±2%


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