Assume that sound is emitted uniformly in all directions by
Assume that sound is emitted uniformly in all directions by a public address system. The intensity at a location 20 meter away from the sound source is 3.4 x 10-4 W/m2. Find the intensity at a spot that is 74 meter away?
W/m2
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assume that sound is emitted uniformly in all directions by a public address system the intensity at a location 20
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