Solved: You stand near the tracks as a train approaches
Chapter 14, Problem 90(choose chapter or problem)
You stand near the tracks as a train approaches with constant speed. The train is operating its horn continuously, and you listen carefully to the sound it makes. For each of the following properties of the sound, state whether it increases, decreases, or stays the same as the train gets closer: (a) the intensity; (b) the frequency; (c) the wavelength; (d) the speed.
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