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Homework Help: Length of soundwave in steel?

  1. Apr 3, 2012 #1
    1. The problem statement, all variables and given/known data
    A sound wave is generated by a source of frequency 440hz is moving through 25 deg celcius air. The sound wave strikes a solid block of steel and propagates into the steel. What is the wavelength of the sound wave inside the steel. The density of steel is 7.85 g/cm^3 and the bulk modulus of steel is 1.6 x 10^11 n/m^2.

    2. Relevant equations
    331 + (.607 x temp in deg C)

    3. The attempt at a solution
    331 + (.607 x 25) = 346.175 air speed is about all i know for this problem... any help?
  2. jcsd
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