With the advent of tiny, powerful rare earth magnets, and improvements in rechargeable battery and wireless technologies, wireless earbuds, like Apple's AirPods (see the photo), enhance the enjoyment of listening to music, movies, and podcasts, and allow handsfree conversation. However, since the earbuds focus sound waves directly into the auditory canal at close distances, care must be taken to protect the eardrum from long-term exposure to high volumes (intensity levels). Hearing experts recommend listening at a maximum intensity level of 85 dB for no more than 8.0 hours a day. Assuming a constant intensity level of 85 dB, how much energy does the eardrum absorb during the 8.0 hours? Take the area of the eardrum to be 0.65 cm². Courtesy of David Young
With the advent of tiny, powerful rare earth magnets, and improvements in rechargeable battery and wireless technologies, wireless earbuds, like Apple's AirPods (see the photo), enhance the enjoyment of listening to music, movies, and podcasts, and allow handsfree conversation. However, since the earbuds focus sound waves directly into the auditory canal at close distances, care must be taken to protect the eardrum from long-term exposure to high volumes (intensity levels). Hearing experts recommend listening at a maximum intensity level of 85 dB for no more than 8.0 hours a day. Assuming a constant intensity level of 85 dB, how much energy does the eardrum absorb during the 8.0 hours? Take the area of the eardrum to be 0.65 cm². Courtesy of David Young
Chapter8: Electromagnetism And Em Waves
Section: Chapter Questions
Problem 15Q
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Transcribed Image Text:With the advent of tiny, powerful rare earth magnets, and improvements in rechargeable battery and wireless technologies, wireless
earbuds, like Apple's AirPods (see the photo), enhance the enjoyment of listening to music, movies, and podcasts, and allow handsfree
conversation. However, since the earbuds focus sound waves directly into the auditory canal at close distances, care must be taken to
protect the eardrum from long-term exposure to high volumes (intensity levels). Hearing experts recommend listening at a maximum
intensity level of 85 dB for no more than 8.0 hours a day. Assuming a constant intensity level of 85 dB, how much energy does the
eardrum absorb during the 8.0 hours? Take the area of the eardrum to be 0.65 cm².
Courtesy of David Young
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