If the velocity potential function ϕ =5 (x2 – y2), the velocity com – McqOptions

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1.	If the velocity potential function ϕ =5 (x2 – y2), the velocity components at the points (4, 5) will be
A.	u = -35, v = 40
B.	u = -40, v = 55
C.	u = -40, v = 50
D.	u = 40, v = -50
Answer» D. u = 40, v = -50

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