Question: A 5 5 - dB sound wave strikes an eardrum whose area is 5 . 0 1 0 5 m 2 . ( a )

A 55-dB sound wave strikes an eardrum whose area is 5.0105m2.(a) How much energy is received 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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