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Homework Help: Progressive Wave Graph

  1. May 20, 2009 #1
    Hi I've been told to draw a graph for a progressive wave, using displacement on the y-axis, and distance from source of disturbance on the x-axis.

    I have drawn one for displacement against time, but not sure how to do one for this.

    I know that all the points on progressive waves have same amplitude and period of oscillation, but phase of oscillations varies as distance from source varies - but I don't really understand this.
  2. jcsd
  3. May 21, 2009 #2


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    Staff Emeritus
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    Do you have an equation for a progressive wave (also known as a traveling wave)? It seems that would be necessary in order to have been asked a question like this ... surely your textbook or lecture notes have the equation.
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