(Fluid Mechanics) An airplane has a mass of 2.5×106 kg , and the air flows past the lower surface of the wings at 90 m/s .

If the wings have a surface area of 1400 m2 , how fast must the air flow over the upper surface of the wing if the plane is to stay in the air?

step-by-step explanation:

we are given

we have to simplify it

firstly, we will factor it

now, we can cancel like terms

now, we can combine it

so, we get

car a and b are moving in opposite directions

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explanation:

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