Uniform flow with velocity u makes an angle θ with the y-axis, as shown in the figureThe velocity potential (φ), is

Uniform flow with velocity u makes an angle θ with the y-axis, as sho

1.	Uniform flow with velocity u makes an angle θ with the y-axis, as shown in the figureThe velocity potential (φ), is
A.	± U (x sinθ + y cosθ)
B.	± U (y sinθ – x cosθ)
C.	± U (x sinθ - y cosθ)
D.	± U (y sinθ + x cosθ)
Answer» B. ± U (y sinθ – x cosθ)