Thursday, July 14, 2011
Two automobiles are equipped with the same single-frequency horn. When one is at rest and the other is moving?
Two automobiles are equipped with the same single-frequency horn. When one is at rest and the other is moving toward an observer at 15.9m/s, a beat frequency of 5.53Hz is heard. What is the frequency the horns emit? Assume T = 20oC .
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