Question: Task 3 : Application of the Doppler Effect b ) A train on a straight track sounds a 4 0 0 Hz horn when passing

Task 3: Application of the Doppler Effect
b) A train on a straight track sounds a 400 Hz horn when passing a parked car on the road. The train is moving at 20 m/s and the temperature is 10\deg C. Find the apparent frequency of the horn for a person sitting inside the car when the train is approaching and when the train is moving away

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