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27 Nov 2019

Two loudspeakers are placed at either end of a gymnasium, bothpointing toward the center of the gym and equidistant from it. Thespeakers emit 216 sound that is in phase. An observer at the centerof the gym experiences constructive interference.
How far toward either speaker must the observer walk to firstexperience destructive interference?

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Beverley Smith
Beverley SmithLv2
24 Mar 2019
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Related textbook solutions

Physics: Principles with Applications
7th Edition, 2013
Giancoli
ISBN: 9780321625922

Related questions

Two loudspeakers are placed on a wall 3.00 m apart. Alistenerstands 4.00 m from the walldirectly in front of one of thespeakers. A single oscillator isdriving the speakers at a frequencyof 700 Hz.

(a) What is the phase difference between the two waves whentheyreach the observer? (Your answer should be between 0and2ƏĀ€.)
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(b) What is the frequency closest to 700 Hz to which the oscillatormay beadjusted such that the observer hears minimal sound?

Two loudspeakers, A and B, are driven by the same amplifier andemit sinusoidal waves in phase. Speaker B is 2.00 m to the right ofspeaker A. The frequency of the sound waves produced by theloudspeakers is 206 Hz. Consider Point P between the speakers andalong the line connecting them, a distance x to the right ofspeaker A. Both speakers emit sound waves that travel directly fromthe speaker to point P.
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Two loudspeakers, A and B (Fig. 16.41), are driven by the
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