A plane is in level flight at constant speed and each of its two wings has an area of…
PHYSICS · Subjective · CBSE · Physics · Mechanical Properties of Fluids · Mechanical Properties of Fluids
Problem
A plane is in level flight at constant speed and each of its two wings has an area of 40 m2. If the speed of the air is 180 km/h over the lower wing surface and 252 km/h over the upper wing surface, the mass of the plane is ____ kg. (Take air density to be 1 kg m-3 and g=10 ms−2 )