Question

An aeroplane of mass 3× 10 ^4 kg and total wing area of 120 m2 is in a level flight at some height the difference in pressure between the upper and lower surface of its wings in kilopascals in

Answer 1

Answer:

Given,

m=3×10

4

kg

g=10m/s

2

A=120m

2

Upward force =mg=ΔP×A

ΔP=

A

mg

ΔP=

120

3×10

4

×10

ΔP=2.5kPa

Explanation:

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