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Identical Except for Phase

  1. Dec 2, 2008 #1
    Two sinusoidal waves, identical except for phase, travel in the same direction along a string and interfere to produce a resultant wave given by y' (x, t) = (1.5 mm) sin(29x - 4.0t + 0.980 rad), with x in meters and t in seconds.
    (a) What is the wavelength, λ, of the two waves?
    (b) What is the phase difference between them?
    (c) What is their amplitude Y?

    sorry, but i have no idea how to do this problem. any help is greatly appreciated!
  2. jcsd
  3. Dec 2, 2008 #2


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    Doesn't your textbook discuss travelling waves, and provide equations that would be relevant?
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