An outside loudspeaker considered a small source emits


An outside loudspeaker (considered a small source) emits soundwaves with a power output of 90 W.

(a) Find the intensity 11.0 m from thesource.

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

dB

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

m

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Physics: An outside loudspeaker considered a small source emits
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