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Bernoulli's equation A question on bernoulli's equation.. This was an evaluation questi Rate Topic: -----

#1 4 January 2012 - 06:46 PM Weirdmaskman 


Quark
An aircraft has a wing area 50cm square. If the velocity of the air over the upper surface of the wings is 150m/s and that over the lower surface, 140m/s during a horizontal flight. What is the net lift force on the wing? (density of air = 1.29kg/m cube)
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#2 4 January 2012 - 07:33 PM insane_alien 


Genius
use bernoulli's equation to calculate the pressure difference.

You can start by assuming that the free stream velocity is 140m/s. you can assume anything for the freestream pressure.
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