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Do I need to convert wavelength to meters

  1. Jan 17, 2008 #1
    1. The problem statement, all variables and given/known data

    The sound emitted by bats has a wavelength of 3.5mm. What is the sound's frequency in air? Assume that the bat is flying through air with a temperature of 30 degrees C.

    2. Relevant equations

    V=331.4 + 0.6*Temp.C
    V=wavelength*frequency

    3. The attempt at a solution

    V= 331.4 + 0.6(30)
    V=349.4m/s

    V=wavelength*frequency

    349.7m/s=0.0035*f
    f=99829.6hz

    The only thing I'm not sure about is did I need to change the 3.5mm to .0035m?
     
  2. jcsd
  3. Jan 17, 2008 #2

    rock.freak667

    User Avatar
    Homework Helper

    Yes you do.
     
  4. Jan 17, 2008 #3
    thank you :)
     
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