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An aeroplane having a wing span of 16 m and chord of 2.5 m weighs 11 tonnes. If it gets airborne at a velocity of 300 kmph, then the coefficient of lift is nearly a) 0.0004 b) 0.0006 c) 0.4 d) 0.6?
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An aeroplane having a wing span of 16 m and chord of 2.5 m weighs 11 t...
Given data:
- Wing span = 16 m
- Chord = 2.5 m
- Weight = 11 tonnes
- Velocity = 300 kmph

To find: Coefficient of lift

Formula:
- Coefficient of lift (CL) = Lift / (0.5 x Density x Velocity^2 x Wing area)
- Lift = Weight

Assumptions:
- Density of air is 1.225 kg/m^3
- Convert velocity from kmph to m/s by dividing it by 3.6

Calculation:

- Wing area = Wing span x Chord
= 16 m x 2.5 m
= 40 m^2

- Weight = 11 tonnes
= 11000 kg

- Velocity = 300 kmph
= 83.33 m/s

- Coefficient of lift (CL) = Lift / (0.5 x Density x Velocity^2 x Wing area)
= (11000 kg) / (0.5 x 1.225 kg/m^3 x (83.33 m/s)^2 x 40 m^2)
= 0.0006

Therefore, the coefficient of lift is nearly 0.0006.

Answer:
b) 0.0006
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An aeroplane having a wing span of 16 m and chord of 2.5 m weighs 11 t...
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An aeroplane having a wing span of 16 m and chord of 2.5 m weighs 11 tonnes. If it gets airborne at a velocity of 300 kmph, then the coefficient of lift is nearly a) 0.0004 b) 0.0006 c) 0.4 d) 0.6?
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