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Speed of sound

  1. Sep 13, 2005 #1
    how does the speed of sound vary with temperature in an ideal gas? how do we derive this relation?
     
  2. jcsd
  3. Sep 13, 2005 #2
    Isn't the speed of sound directly proportionate to the medium's density?
     
  4. Sep 13, 2005 #3
  5. Sep 13, 2005 #4

    FredGarvin

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    Science Advisor

    The speed of sound is proportional to the square root of the absolute temperature:

    [tex]c = \sqrt{k R T}[/tex]

    where:
    c = speed of sound
    k = ratio of specific heats (1.4 for air)
    R = Ideal gas constant
    T = Temperature
     
  6. Sep 14, 2005 #5
    thanks guys...
     
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