How much energy is absorbed by the eardrum per second

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Reference no: EM13514211

A 45dB sound wave strikes an eardrum whose area is4.2multiplied by10-5m2.

(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 J?

years

Reference no: EM13514211

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