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Northa Northa
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7 years ago
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 destructive interference? The speed of sound in air is 343 m/s.
A) 0.344 m
B) 0.365 m
C) 0.729 m
D) 1.15 m
E) 1.64 m
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Physics

Physics


Edition: 4th
Author:
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Answer rejected by topic starter
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7 years ago
A
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4 years ago
I appreciate the help!
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4 years ago
I can't even open up the answer so I have no idea!!  I am frustrated.
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bio_manbio_man
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