Q18. Air is streaming past a horizontal air plane wing such that its speed in 120 m/s over the upper surface and 90 m/s at the lower surface. If the density of air is 1.3 kg per metre3 and the wing is 10 m long and has an average width of 2m, then the difference of the pressure on the two sides of the wing of :Physics — Fluid Dynamics — Question 18 of 106A. 4095.0 PascalB. 409.50 PascalC. 40.950 PascalD. 4.0950 PascalPractice more Physics MCQs for entrance exam preparation on Examora.io.← Previous Question Next Question →