Question

the answers were wrong the first time this was answered!

012 10.0 points A rock group is playing in a bar. iSound emerging from the door spreads uniformly in all directions. The intensity level of the music is 72.6 dB at a distance of 4.72 m from the door. At what distance is the music just barely dible to a person with a normal threshold of hearing? Disregard absorption. Answer in units of m.

Answer 1

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