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A jet airplane has an intensity of 92.4 W/ m2 when heard at a distance of 21.2 m. What is the maximum sound intensity heard by...Asked by Jill
A jet airplane has an intensity of 109.7 W/ m2 when heard at a distance of 26.8 m. What is the maximum sound intensity heard by a person on the ground when the airplane is 8500 m overhead?
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Answered by
Claudia
Intensity(1) x Area(1) = Intensity(2) x Area(2)
109.7 x (pi(26.8)^2) = Intesity(2) x (pi(8500)^2)
Intensity(2) = 1.09 x 10^-3
109.7 x (pi(26.8)^2) = Intesity(2) x (pi(8500)^2)
Intensity(2) = 1.09 x 10^-3
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