A 50-dB sound wave strikes an eardrum whose area is 5.0 ×
Chapter 13, Problem 14P(choose chapter or problem)
Problem 14P
A 50-dB sound wave strikes an eardrum whose area is 5.0 × 10−5 m2. (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?
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