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Determine the wavelength of the wave

  1. Dec 5, 2008 #1
    1. The problem statement, all variables and given/known data
    A longitudinal wave with a frequency of 34 Hz takes 1.3 s to travel the length of a 2.5 m Slinky (see Figure 16.3). Determine the wavelength of the wave.


    [​IMG]

    λ = _______ m



    2. Relevant equations
    v = λ f
    v = d/t


    3. The attempt at a solution
    v = d/t
    v = 2.5/1.3
    v = 1.9

    v = λ f
    λ = v/f
    λ = 1.9/34
    λ = .05 m

    What did I do wrong?
     
  2. jcsd
  3. Dec 5, 2008 #2

    LowlyPion

    User Avatar
    Homework Helper

    Re: waves

    Try calculating with a little more precision?

    I get an answer that is more than 10% from your calculation.
     
  4. Dec 5, 2008 #3
    Re: waves

    I guess that was the problem. I did my calculations again without any rounding, and it was marked as correct.

    Thank you for your help. It is much appreciated.
     
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