gc textbook chapter 11 Vibrations and Waves (id: 92eaa78ed)

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]
A particular guitar string l4;zqz3/np, srp bf8ois supposed to vibrath2 2 zqu)zke7ne at 200 Hz, but it is measured to unk z2z7) heq2vibrate at 205 Hz. By what percent should the tension in the string be changed to correct the frequency? decreased by    %

参考答案: 4.8±2%


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