Air is streaming past the wings of an aeroplane with a speed of 90ms below and 120ms above the surface. If the wing is 15 m long and has an average width of 2m, then : [Density of air =1.2kg//m^(3)]

Air is streaming past the wings of an aeroplane with a speed of 90ms b

1.	Air is streaming past the wings of an aeroplane with a speed of 90ms below and 120ms above the surface. If the wing is 15 m long and has an average width of 2m, then : [Density of air =1.2kg//m^(3)]
Answer» Pressure DIFFERENCE between the bottom and TOP of the WING is 4090 PA Up - lift on the wing is 81900 N Up - lift on the wing is 113.4 KN Pressure difference between the bottom and top of wing is 3780 Pa Answer :C::D