If the stream function is ψ = 2 xy, then the velocity at a point (1,

1.	If the stream function is ψ = 2 xy, then the velocity at a point (1, 2) is equal to
A.	2
B.	4
C.	20
D.	16
Answer» D. 16

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If the stream function is ψ = 2 xy, then the velocity at a point (1, 2) is equal to

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