Suppose a train that has a 150-Hz horn is moving at 35.0 m/s in still air on a day when the speed of sound is 340 m/s. (a) What frequencies are observed by a stationary person at the side of the tracks as the train approaches and after it passes?
Suppose a train that has a 150-Hz horn is moving at 35.0 m/s in still air on a day when the speed of sound is 340 m/s. (a) What frequencies are observed by a stationary person at the side of the tracks as the train approaches and after it passes?
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Transcribed Image Text:Suppose a train that has a 150-Hz horn is moving at 35.0 m/s in still air on a day when the speed of sound
is 340 m/s.
(a) What frequencies are observed by a stationary person at the side of the tracks as the train approaches
and after it passes?
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