Homework Help: College Physics

Posted by L on Thursday, May 6, 2010 at 12:28am.

A 50 dB sound wave strikes an eardrum whose area is 5.0 x 10^-5 m^2.

A.)How much energy is absorbed by the eardrum per second?

B.) At this rate, how long would it take your eardrum to receive a total energy of 1.0 Joule?

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