Physics
Fluid-Mechanics
Easy
Question
The speed of flow past the lower surface of a wing of an aeroplane is 50 ms-1. What speed of flow over the upper surface will give a dynamic lift of 1000 Pa? Density of
air
.
- 25.55 m / s
- 63.55 m / s
- 13.25 m / s
- None
The correct answer is: 63.55 m / s
Applying Bernoulli's theorem to the lower and upper surface of a wing
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