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July 24, 2014

Homework Help: Physics

Posted by Matt on Monday, June 13, 2011 at 7:50pm.

While peforming a concert , Queen plays at average intensity levels of 2 W/m^2. Then during a sudden loud part of the music, the amplitude of the sound waves , initially A1 increases by a factor of 5. By how many decibels does the sound level increase?

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