The speed of an automobile can be determined using the Doppler effect by sounding the horn. (a)

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The speed of an automobile can be determined using the Doppler effect by sounding the horn.
(a) An automobile’s horn produces a frequency of 765 Hz. How fast is the car traveling if a stationary microphone measures the horn’s frequency as 836 Hz at a temperature of 23.3°C?
(b) What is the frequency of the sound wave as the car moves away from the microphone?

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Applied Physics

ISBN: 978-0132109277

10th Edition

Authors: Dale ewen, Neill schurter, P. erik gundersen

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