gc textbook chapter 11 Vibrations and Waves (id: 0a8d9ad64)

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]
The ripples in a certain groove 10.8 cm from the center of a;d( 7wuwm l 1g)4hkttn 33-rpm phono t;h .yc 38,zd:ahctvqcfi .w;graph record have a wavelengtq f8cch t:ha;;. 3tcdzv.i,ywh of 1.70 mm. What will be the frequency of the sound emitted?    Hz

参考答案: 220±2%


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