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Reported Question / Answer
Q.) A train sounds its whistle as it approaches and leaves a station.An man at the station measures a frequency of 200 Hz as the train approaches and a frequency of 180 Kz as the train leave.Find the speed of the train. Speed of the sound is given as 340 m/s?
1)
17.89 m/s
2)
19.89 m/s
3)
16.91 m/s
4)
17 m/s
5)
NULL
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