In a test experiment on a model aeroplane in wind tunnel,the flow speeds on the upper and lower surfaces of the wings are `70ms^(-1)` and `65ms^(-1)` respectively.If the wing area is `.2m^(2)`, the lift of the wing is__________N (Given density of air `=1.2kgm^(-3)` )

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 70ms^(-1) and 83ms^(-1) respectively. What is the lift on the wing, if its area is 2.5m^(2) ? Take the density of air to be 1.3kgm^(-3)

In a test experiment on a model aeroplane in a wind tunn el, the flow speeds on the upper and lower surfaces of the win gs are 70m/s and 60m/s respectivel y. Wh at is th e dynamic lift of the win g if its area is 2.4 m^2 ?

In a test experiment on a model aeroplane in a wind tunnel, the flow speeds on the upper and lower surface of the wing are 70 ms^(-1) and 63 ms^(-1) respectivley. What is the lift on the wing if its area is 2.5 m^(2) ? Take the density of air is 1.3 kg m^(-3) .

In a test experiement on a model aeroplane in a wind tunnel, the flow speeds on the lower and upper surfaces of the wing are upsilon and upsilonsqrt(2) respectively. If the density of air is rho and the surface area of the wings is A, what is the dynamic lift on the wing of aeroplane.

In a wind tunnel experiment the pressure on the upper and lower surfaces of the wings are 0.90xx10^(5)Pa and 0.91 xx 10^(5)Pa respectively. If the area of the wing is 40 m^(2) the net lifting force on the wing is

In a wind tunnel experiment the pressure on the upper and lower surfaces of the wings are 0.90 xx 10^(5) Pa and 0.91 xx10^(5) Pa respectively .If the area of the wings is 40 m^(2) the net liftng forcw on the wing is

A plane is in level fight at constant speed and each of two wings has an area of 25m^(2) . If the speed of the air on the upper and lower surfaces of the wing are 270kmh^(-1) and 234 kmh^(-1) respectively, then the mass of the plane is (take the density of the air = 1kg m^(-3) )

Each of the two wings of an aeroplane has area 30m^(2) . The speed of the air on the upper and lower surfaces of theon the wing of aeroplane are 90 ms^(-1) and 70 ms^(-1) respectively. If the plane is in level flight at constant speed, find the uplift and the mass of the aeroplane. Given density of air =1.29 kg m^(-3) .

A plane is in level flight at constant speed and each of its two wings has an area of 25 m^(2) . If the speed of the air on the upper and lower surfaces of the wing are 270 km h^(-1) respectively, then the mass of the plane is (Take the density of the air =1 kg m^(-3) )