A high-speed train is traveling at a speed of 44.7 m/s
Chapter 16, Problem 16.27(choose chapter or problem)
A high-speed train is traveling at a speed of 44.7 m/s (100 mi/h) when the engineer sounds the 415-Hz warning horn. The speed of sound is 343 m/s. What are the frequency and wavelength of the sound, as perceived by a person standing at a crossing, when the train is (a) approaching and (b) leaving the crossing?
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