일반물리학 1 · Waves-II · Problem 66
일반물리학 1 — Waves-II: Problem 66
66 From two sources, sound waves of frequency 270 Hz are emitted in phase in the positive direction of an x axis. At a detector that is on the axis and 5.00 m from one source and 4.00 m from the other source, what is the phase difference between the waves (a) in radians and (b) as a multiple of the wavelength?
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