A 53 db sound wave strikesan eardrum whose area is 47
A 53 dB sound wave strikesan eardrum whose area is 4.7 multiplied by 10-5 m2.
(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 atotal energy of 1.0 J?
years
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a 53 db sound wave strikesan eardrum whose area is 47 multiplied by 10-5 m2a how much energy is absorbed by the eardrum
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