At a rock concert, a dB meter registered 130 dB whenplaced
Chapter 16, Problem 16.26(choose chapter or problem)
At a rock concert, a dB meter registered 130 dB whenplaced 2.2 m in front of a loudspeaker on the stage, (a) Whatwas the power output of the speaker, assuming uniformspherical spreading of the sound and neglecting absorptionin the air? (b) How far away would the sound level be asomewhat reasonable 85 dB?
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