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Two in-phase loudspeakers are placed along a wall and are separated by a distance of 4.00 m. They emit sound with a frequency of 514 Hz. A person is standing away from the wall, in front of one of the loudspeakers. What is the closest distance from the wall the person can stand and hear constructive interference? The speed of sound in air is 343 m/s.

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Related textbook solutions

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

Related questions

Two in-phase loudspeakers are placed along a wall and are separatedby a distance of 4.00 m. They emit sound with a frequency of 514Hz. A person is standing away from the wall, in front of one of theloudspeakers.

What is the wavelength of the sound? (speed of sound in air = 343m/s.)

(I'm posting a second part to this question separately so if youunderstand this, try to answer both, please.)

Two loudspeakers, A and B (Fig. 16.41), are driven by the
same amplifier and emit sinusoidal waves in phase. Speaker Bis
2.00 m to the right of speaker A. The frequency of the soundwaves
produced by the loudspeakers is 206 Hz. Consider point Pbetween
the speakers and along the line connecting them, a distance x tothe
right of speaker A. Both speakers emit sound waves thattravel
directly from the speaker to point P. a) For what values of xwill
destructive interference occur at point P? b) For what values ofx
will constructive interference occur at point P? c)Interference
effects like those in parts (a) and (b) are almost never a factorin lis-
tening to home stereo equipment. Why not?

Two identical loudspeakers are placed on a wall 2.00 m apart. A listener stands 3.00 m from the wall directly in front of one of the speakers. A single oscillator is driving the speakers at a frequency of 300 Hz. (a) What is the phase difference in radians between the waves from the speakers when they reach the observer?  (b) What is the frequency closest to 300 Hz to which the oscillator may be adjusted such that the observer hears the minimal sound? 

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