Loudspeaker emits soundwaves with a power output

Reference no: EM13565042

An outside loudspeaker (considered a small source) emits soundwaves with a power output of 75 W.
a) Find the intensity 7.5 m from the source.
b) Find the intensity level in decibels at that distance.
c) At what distance would you experience the sound at the threshold of pain, 120 dB?

Reference no: EM13565042

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