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Sinusoidal wave

  1. Apr 4, 2007 #1
    1. The problem statement, all variables and given/known data
    A sinusodial wave is moving along a string of uniform density. If you double the frequency of the wave,

    a)the speed of the wave doubles
    b)the speed of the wave remains about the same

    2. Relevant equations

    3. The attempt at a solution
    I chose a) using the equation v=lambda*f. as f doubles, v doubles too.
  2. jcsd
  3. Apr 4, 2007 #2

    Doc Al

    User Avatar

    Staff: Mentor

    That would only be true if the wavelength remained the same.

    What determines the speed of a wave on a string?
  4. Apr 4, 2007 #3
    tension and density.

    The answer is b)
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