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B6

A longitudinal wave has a measured sound level of 65 dB at a distance of 6.0 m from the speaker that created it.
Calculate the intensity I of the sound at that position.
1 x10-6
I =
If the speaker were a point source of sound energy, determine
its power output P.
P =
Incorrect
3.14 x10 4
Incorrect
W/m2
W

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