An airfoil with an area of 200 cm^2 has a velocity on the upper side as 3 m/s and on the lower side 2 m/s. What is the mass of the foil? Take density of air 1.3 kg/m3
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An airfoil (American English) or aerofoil (British English) is the cross-sectional shape of a wing, blade (of a propeller, rotor, or turbine), or sail (as seen in cross-section).
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