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Asked Dec 28, 2019
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Two loudspeakers are placed above and below each other, as in Figure P14.40 and driven by the same source at a frequency of 4.50 x 102 Hz. An observer is in front of the speakers (to the right) at point O, at the same distance from each speaker. What minimum vertical distance upward should the top speaker be moved to create destructive interference at point O?

8.00 m
3.00 m
Figure P14.40
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8.00 m 3.00 m Figure P14.40

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Step 1

Consider the speed of sound in air as 343 m/s. Apply the formula to calculate the wavelength

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Step 2

Formula to calculate the distance between...

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Wave Optics

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