If the velocity potential φ = 4 xy, what are the x and y components of velocity at the point(1, 4) ?

If the velocity potential φ = 4 xy, what are the x and y components o

1.	If the velocity potential φ = 4 xy, what are the x and y components of velocity at the point(1, 4) ?
A.	u = - 16, v = - 4
B.	u = - 4, v = - 16
C.	u = 16, v = - 4
D.	u = 16, v = 16
Answer» B. u = - 4, v = - 16

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If the velocity potential φ = 4 xy, what are the x and y components of velocity at the point(1, 4) ?

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