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As you stand near a railroad track, a train passes by at a speed of 34.1...

As you stand near a railroad track, a train passes by at a speed of 34.1 m/s while sounding its horn at a frequency of 216 Hz. What frequency do you hear as the train approaches you and what frequency while it recedes? Take the speed of sound in air to be 344 m/s.

approaching_____Hz

receding______Hz

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Answer #1

As the train approaches you f (344+0 (344-34.1) x 216 f 239.77 Hz While it recedes (344-0)/(344+34.1) x 216 f- 196.52 Hz

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