A point source emits sound with a power output of 100 watts. What is the intensity (in W/m²) at a distance of 10.0 m from the source? A)7.96 * 10-2 B)7.96 *10-1 C)7.96 *100 D)7.96 *01 E)7.96 *10-3

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Quizplus · Accepted Answer

The intensity of sound is given by the equation I = P/4πr^2, where P is the power output of the source and r is the distance from the source. In this case, P = 100 W and r = 10.0 m, so I = 100 W / 4π(10.0 m)^2 = 7.96 * 10-2 W/m^2.

A Point Source Emits Sound with a Power Output of 100