A 46 dB sound wave strikes an eardrum whose area is 5.0×10-5 m² How much energy is received by the eardrum per second? Express your answer using two significant figures. P = ΜΕ ΑΣΦ Submit Request Answer Part B ? J At this rate, how long would it take your eardrum to receive a total energy of 6.0 J? Express your answer using two significant figures. t = ΜΕ ΑΣΦ ? уг

A 46 dB sound wave strikes an eardrum whose area is 5.0×10-5 m² How much energy is received by the eardrum per second? Express your answer using two significant figures. P = ΜΕ ΑΣΦ Submit Request Answer Part B ? J At this rate, how long would it take your eardrum to receive a total energy of 6.0 J? Express your answer using two significant figures. t = ΜΕ ΑΣΦ ? уг

Physics for Scientists and Engineers, Technology Update (No access codes included)

9th Edition

ISBN:9781305116399

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter17: Sound Waves

Section: Chapter Questions

Problem 17.20P: The area of a typical eardrum is about 5.00 X 10-5 m2. (a) (Calculate the average sound power...

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Sound is detected when a sound wave causes the eardrum to vibrate (as shown). Typically, the diameter of the eardrum is about 8.4 mm in humans. When someone speaks to you in a normal tone of voice, the sound intensity at your ear is approximately 1.0 × 10-6 W/m2. How much energy is delivered to your eardrum each second?