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OpenStudy (anonymous):
The area of a typical eardrum is about 5.00 10-5 m2. (a) Calculate the average sound power incident on an eardrum at the threshold of pain, which corresponds to an intensity of 1.00 W/m2. (b) How much energy is transferred to the eardrum exposed to this sound for 4.20 min? I got part a which is 5.00E-5 I just need help with part b
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