Thursday
April 17, 2014

Homework Help: physics

Posted by Teah on Sunday, April 11, 2010 at 3:12pm.

a rock group is playing in a club. Sound emerging outodoors from an open door spreads uniformly in all directions. If the decibel level is 70 dB at a distance of 1.0m from the door, at whiat distance is the music just barely audible to a person with a normal threshold of hearing. Disregard absorption

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