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An ambulance is travelling east at 55.8 m/s. Behind it, there is a car travelling in the same direction at 32.9 m/s. The ambulance driver hears his siren at a frequency of 820 Hz. At what frequency does the driver of the car hear the ambulance's siren. The velocity of sound in air is 343 m/s. Answer in units of Hz.

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Related textbook solutions

Physics: Principles with Applications
7th Edition, 2013
Giancoli
ISBN: 9780321625922

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