1.

The velocity induced by an infinite vortex filament, with strength Γ at some point is correctly given as______ (r, h are the distance and height to the point respectively).

A. V=\(\frac {\Gamma }{2\pi h}\)
B. V=\(\frac {\Gamma }{2\pi r}\)
C. V=\(\frac {\Gamma }{2h}\)
D. V=\(\frac {\Gamma }{2r}\)
Answer» B. V=\(\frac {\Gamma }{2\pi r}\)


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