A 45db sound wave strikes an eardrum whose area
A 45dB sound wave strikes an eardrum whose area is4.2multiplied by10-5m2.
(a) How much energy is absorbed by the eardrum per second?
W
(b) At this rate, how long would it take your eardrum to receive a total energy of 1.0 J?
years
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a 45db sound wave strikes an eardrum whose area is42multiplied by10-5m2a how much energy is absorbed by the eardrum per
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