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Physics, 21.08.2019 03:30, nyceastcoast
Ahigh speed train is traveling at a speed of 44.7 m/s when the engineer sounds the 415 hz warning horn. the speed of sound is 343 m/s. what is the wavelength of the sound, as perceived by the person standing at a crossing when the train is a) approaching and b) find the frequency when leaving the crossing?
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Ahigh speed train is traveling at a speed of 44.7 m/s when the engineer sounds the 415 hz warning ho...
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