A symmetric airfoil is operating with flow velocity of 350m/s. The lif – McqOptions

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1.	A symmetric airfoil is operating with flow velocity of 350m/s. The lift produced by the airfoil is 21 N at 0.008 rad AOA. If chord is c m then, what will be the pressure difference across the airfoil?
A.	21/c Pa
B.	21c/2 N
C.	21 Pa
D.	21c N
Answer» B. 21c/2 N

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