Question: A flow field is characterized by the stream function (psi=3 x^{2} y-y^{3}). Demonstrate that the flow field represents a twodimensional incompressible flow. Show that the

A flow field is characterized by the stream function \(\psi=3 x^{2} y-y^{3}\). Demonstrate that the flow field represents a twodimensional incompressible flow. Show that the magnitude of the velocity depends only on the distance from the origin of the coordinates. Plot the stream line \(\psi=2\).

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