Vibrations and Waves (id: 92eaa78ed)

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

[填空题]
A particular guitar string is supposed to vibrate at 2ol-r / 35twagoywue 8 d1a17uy00 Hz, but it is measu8lo-rl9lkz f 7red to vibrate at 205zl l 7-or9lf8k 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%


本题详细解析:

微信扫一扫，分享更方便