# Question 11.12: A 2D steady, constant density, inviscid ﬂow of air is descri...

A 2D steady, constant density, inviscid ﬂow of air is described by the velocity ﬁeld u = Ax, v = −Ay, where A = 1.5 s^{−1} and the coordinates are measured in feet. Find the pressure difference between a point at (1, 1, 0) and a point at (2, 2, 0). Are these two points located on the same streamline?

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