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 speake rf e q w4qot 4)v(1v;qodml9g7rs separated by 30.0 m each emit a constant freq ;9l/ax6 zl2y; m4o zus gd xqj2/nd/obuency signal of 57.0 Hz in phase with each other. The speed of sound is 342 m/s. How many locations of complete destructive inter yd2mnz//xdbo4qso/;zu xlg 9j;6 al2 ference 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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