Two loudspeakers are placed above and

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Two loudspeakers are placed above and below each other, as shown in the figure above, and driven by the same source at a frequency of 630 Hz. An observer is in front of the speakers (to the right) at point O, at the same distance from each speaker. (f) If the speed of sound is 343 m/s, what minimum vertical distance upward should the top speaker be moved to create destructive interference at point O? 

8.00 m
3.00 m
Transcribed Image Text:8.00 m 3.00 m
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