A 524-Hz longitudinal wave in air has a speed of345 m/s.
Chapter 15, Problem 15.28(choose chapter or problem)
A 524-Hz longitudinal wave in air has a speed of345 m/s. (a) What is the wavelength? (b) How much time isrequired for the phase to change by 90 at a given point inspace? (c) At a particular instant, what is the phase difference(in degrees) between two points 4.4 cm apart?
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