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Homework Help: Waves and wavefunction help!

  1. Dec 5, 2004 #1
    How would I get an expression y(x,t) that describes a sinusiodal wave traveling on a string in the negative x-direction with amplitude in the y-direction of 1.00cm, frequency 200Hz, and wavelength 3.00cm? At t=0, the particle of string at x=0 is displaced D=0.80cm from equilibrium and moving upwards.
  2. jcsd
  3. Dec 5, 2004 #2


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    Can you figure out what [itex]\phi[/itex] has to be?

    [tex]y(x, t) = 1.00 \times \sin \left( 2 \pi \frac {x}{3.00} + 200 \times 2 \pi t + \phi\right)[/tex]
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