Mathematics, 17.02.2020 18:16 hairystrong1915

A loudspeaker having a diaphragm that vibrates at 980 Hz is traveling at 75.0 m/s directly toward a pair of holes in a very large wall in a region for which the speed of sound is 344 m/s. You observe that the sound coming through the openings first cancels at 13.9 ∘ with respect to the original direction of the speaker when observed far from the opening. How far are the two opening?

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A loudspeaker having a diaphragm that vibrates at 980 Hz is traveling at 75.0 m/s directly toward a...