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Plz help me !!

transitedphase
in Classical Physics

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an Jet plane of mass 3x104kg. and total wings area 120m2 is in level flight at some height .The difference in pressure between the upper & lower surfaces of its wings in kilo pascal is ??

 

a)2.5 b)5

c)10 d)12.5

What's the physical condition for the plane being in "level flight at some height"?

Sounds like Homework for me, you can find all you need to solve the question here: Pascal.

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