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A plane is in level flight at constant s...

A plane is in level flight at constant speed and each of its two wings has an area of `25 m^(2)` . If the speed of the air on the upper and lower surfaces of the wing are `270 km h^(-1)` and '234 km h^(-1)' respectively, then the mass of the plane is (Take the density of the air `=1 kg m^(-3)`)

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