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A Sound Source of Power 150 Watts Radiates Sound Uniformly

Question 19

Multiple Choice

A sound source of power 150 watts radiates sound uniformly in all directions. The intensity of the sound at a distance of 4.00 m is

A) 0.389 W/m².
B) 0.403 W/m².
C) 0.582 W/m².
D) 0.746 W/m².
E) 0.927 W/m².

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