Homework Help: physics

Posted by aok on Friday, December 10, 2010 at 12:22pm.

(a) Find the pressure difference on an airplane wing where air flows over the upper surface with a speed of 126 m/s, and along the bottom surface with a speed of 101 m/s.(kPa)

(b) If the area of the wing is 30 m2, what is the net upward force exerted on the wing? (kN)

physics - bobpursley, Friday, December 10, 2010 at 1:18pm
pressure difference= 1/2 densityair(V1^2-V2^2)

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