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An outside loudspeaker (considered a small source) emits sound waves with a power output of 117...

An outside loudspeaker (considered a small source) emits sound waves with a power output of 117 W.

(a) Find the intensity 11.0 m from the source.
W/m2

(b) Find the intensity level in decibels at that distance.
dB

(c) At what distance would you experience the sound at the threshold of pain, 120 dB?
m

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