What is the perceived frequency of the sound

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A car is moving to the left at 20 m/s while a truck is moving to the right at 25 m/s. If the truck emits a sound of frequency 5000 Hz, what is the perceived frequency, in Hz, of the sound by the driver of the car? Assume the vehicles are moving directly away from each other on a 20.0° C day.

Reference no: EM13273173

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