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Homework Help: Velocity of two-dimensional flow

  1. Oct 7, 2012 #1
    If the velocity in a two-dimensional flow is given as [itex]\vec u = \left\langle {u(y),v(y),0} \right\rangle[/itex]. Why must [itex]v[/itex] be constant? I am not sure where to start. Can anyone help?
  2. jcsd
  3. Oct 7, 2012 #2


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    What kind of fluid is it? Is it maybe incompressible? What kind of properties do you know that apply to the velocity field of that kind of fluid?
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