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Unformatted text preview: I = P 4 π r 2 P = power of source , r = distance from source Intensity Level β ≡ 10 log I I o in decibels (db) , I = intensity , I o = 10-12 W / m 2 Doppler Effect ′ f = f 1 ± v o v 1 m v s v f = source frequency , ′ f = observed frequency v = speed of sound , v o = speed of observer , v s = speed of source...
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This note was uploaded on 04/09/2008 for the course PHYS 101 taught by Professor Sharp during the Spring '08 term at Ohio State.
- Spring '08