In a test experiment on a model aeroplane in a wind tunnel, the flow speeds on the upper and lower surfaces of the wing are 
and 
respectively. What is the lift on the wing if its area is 
? The density of air is 
.
Text Solution
Verified by ExpertsThe correct answer is:
C
From Bernoullis equation 
Upward force on the wing, 
, where A is area of the wing
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