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Physics: Hearing & Sound incident on the eardrum

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Hearing damage may occur when a person is exposed to a sound intensity level of 90.0 dB (relative to the threshold of human hearing) for a period of 9.00 hours. An eardrum has an area of 1.93 x 10-4 m2. How much sound energy is incident on the eardrum during this time?

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This posting contains answers to the given physics questions on hearing and sound.

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Using the formula of sound intensity level, we can compute for the sound intensity ...

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