In a test experiment  on a model aeroplane in a wind tunnel, the flow speeds on the upper and
Channel: Doubtnut
Date: 2020-08-16

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)`.