Two automobiles are equipped with the same single-frequency
Two automobiles are equipped with the same single-frequency horn.When one is at rest and the other is moving toward an observer at15.6 m/s, a beat frequency of 5.52 Hz is heard. What is thefrequency the horns emit? Assume T = 20°C .
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two automobiles are equipped with the same single-frequency hornwhen one is at rest and the other is moving toward an
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