gc textbook chapter 12 Sound (id: 73e47770e)

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]
Two violin strings are tuned oq yp lwlnm i,b17+p3*se6 a-vt tup25 ab0+;dh)xwbioo the same frequency, 294 Hz. The tension in one string is then decreased by 2.0%. What will be the beat frequency heard when the two strings are played together? [H u0o b+abdx;hp t)wi25int: Recall Eq. 11–13.]    Hz

参考答案: 3±2%


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