The x and y velocity components of a two dimensional flow field are, u = cy/(x2

Question

The x and y velocity components of a two dimensional flow field are, u = cy/(x2 + y2) , v = cx/(x2 + y2), where c is a constant. The streamlines are a family of

Options:

A . hyperbolas

B . hyperbolas

C . ellipses

D . circles

Answer: Option B

-NA-

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