In a test experiment on a model aeroplane in a wind tunnel, the flow speeds on the upper
Channel: Doubtnut
Date: 2020-08-23

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)`