What frequency does a person in the car hear

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An ambulance moving at 37 m/s sounds its siren whose frequency is 500 Hz. A car is moving in the same direction as the ambulance at 21 m/s.

(a) What frequency does a person in the car hear as the ambulance approaches the car?

(b) What frequency does a person in the car hear after the ambulance passes the car?

Reference no: EM13334579

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