Question: A crop duster airplane flies overhead at 44.7 m/s. The frequency of the sound is 605 Hz. (a) What do you perceive as the frequency

A crop duster airplane flies overhead at 44.7 m/s. The frequency of the sound is 605 Hz.
(a) What do you perceive as the frequency as it approaches? Assume the velocity of sound in air is 345 m/s.
(b) What frequency do you hear as the plane flies away and has accelerated to 55.0 m/s?

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