sirragrac6588 sirragrac6588

22-02-2024
Physics

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A person stands 7.00 m from one speaker and 9.00 m from an identical speaker. If there is destructive interference where n = 3, what is the frequency? f = [?] Hz
a) 57 Hz
b) 63 Hz
c) 67 Hz
d) 71 Hz

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