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Jim is speeding toward James Island with a speed v = 22 m/s when he sees Betsy standing on shore at the base of a cliff. Jim sounds his f = 365-Hz horn.

(a) What frequency does Betsy hear? (Express your answer to the nearest hertz.)

Hz

(b) Calculate the frequency Jim hears in the echo from the cliff. (Express your answer to the nearest hertz.)

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