A rock group is playing in a club.Sound emerging outdoors from an opendoor spreads...

  • Thread starter Thread starter Carol
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Carol

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...uniformly in all directions? If the decibel level is 100 dB at a distance
of 0.80 m from the door, at what distance is
the music just barely audible to a person with a normal threshold of hearing? Disregard
absorption. Answer in units of m.
 
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