JEE MAIN 2024(29jan shift 1)In a test experiment on a model aeroplane in windtunnel, the flow speeds

March 20, 2025

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In a test experiment on a model aeroplane in wind
tunnel, the flow speeds on the upper and lower
surfaces of the wings are 70 ms–1 and 65 ms–1
respectively. If the wing area is 2 m2 the lift of the
wing is _______ N.
(Given density of air = 1.2 kg m–3)

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