Question: Two automobiles are equipped with the same singlefrequency horn. When one is at rest and the other is moving toward the first at 1 6

Two automobiles are equipped with the same singlefrequency horn. When one is at rest and the other is moving toward the first at 16 m/s, the driver at rest hears a beat frequency of 3.5 Hz. What is the frequency the horns emit? Assume T=20C.

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