A railroad train is traveling at in still air. The
Chapter 16, Problem 16.46(choose chapter or problem)
A railroad train is traveling at in still air. The frequency of the note emitted by the locomotive whistle is 400 Hz. What is the wavelength of the sound waves (a) in front of the locomotive and (b) behind the locomotive? What is the frequency of the sound heard by a stationary listener (c) in front of the locomotive and (d) behind the locomotive?
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