HELP DUE IN AN HOUR!! said last answer choice was incorrect.
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Physics, 23.06.2019 04:31
A90db sound wave strikes an eardrum whose area is 5.0Γ10^-5m^2. how much energy is absorbed by the eardrum per second
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which pair of rays would be part of a ray diagram showing reflection? - a & b which pair of rays would be part of a ray diagram showing refraction? c & a
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