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A train is moving past a crossing where cars are waiting for it to pass...

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Physics

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A train is moving past a crossing where cars are waiting for it to pass While waiting the driver of the lead car becomes sleepy and res his head on the steering wheel unintentionally activating the car s horn A passenger in the back of the train hears the horn s sound at frequency of 432 Hz and a passenger in the front hears it at 408 Hz Find the train s speed and the horn s frequency assuming the sound travels along the tracks Take the speed of sound to be 343 m s HINT a the train s speed in m s m s b the horn s frequency in Hz Hz

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