P18_074 - 74. (a) The wavelength of the sound wave is = v...

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74. (a) The wavelength of the sound wave is λ = v f = 343 m / s 1000 Hz =0 . 343 m . (b) From ∆ p m = v 2 ρks m =2 πvρfs m we ±nd s m = p m 2 πvρf = 10 . 0Pa (2 π )(343 m / s)(1 . 21 kg / m 3 )(1000 Hz) =3 . 83 × 10 6 m . (c) The velocity of the particle is the derivative of the sinusoidal wave function with respect to time.
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This note was uploaded on 11/12/2011 for the course PHYS 2001 taught by Professor Sprunger during the Fall '08 term at LSU.

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