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OpenStudy (anonymous):
Each wing of an airplane has an area of 35 m2 ,ie 70 m2 total. If the speed of the air is 44 m/s over the lower wing surface and 75 m/s over the upper wing surface, determine the weight of the airplane. (Assume the plane travels in level flight at constant speed and elevation where the density of air is 1.29 kg/m3. Also assume that all of the lift is provided by the wings.)
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