本题目来源于试卷: stationary wave in tube,类别为 美国物理杯赛(Physics Bowl)
[单选题]
15.33: Two spherical speakers separated by 30.0 m ea qcr7,yxk,2+ top2jk wch emit a constant fre umq+9 yx +g6h m0ga6caqs7 wh5hq0)qnquency signal of 57.0 Hz in phase with each other. The speed of sound is 342 m/s. How many locations of complete destructive in 5hm60 6+ca 0hqgq7 wa)um qy9sghqx+ nterference of the incoming signals are there on the line between the speakers?

A. 12
B. 11
C. 10
D. 9
E. 6
参考答案: C
本题详细解析:
暂无
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