Question: If the velocity potential of a realistic two-dimensional flow is = Cln(x2 + y2)1/2, where C is a constant, find the form of the stream

If the velocity potential of a realistic two-dimensional flow is φ = Cln(x2 + y2)1/2, where C is a constant, find the form of the stream function ψ ( x, y). Hint: Try polar coordinates.

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