Question: A 50-dB sound wave strikes an eardrum whose area is 50 X 10-5 m2. (a) How much energy is absorbed by the eardrum per sound?

A 50-dB sound wave strikes an eardrum whose area is 50 X 10-5 m2.
(a) How much energy is absorbed by the eardrum per sound?
(b) At this rate, how long would it take your eardrum to receive a total energy of 1.0J?

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