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 air is 180 km h⁻¹ over the lower wing surface and 252 km h⁻¹ over the upper wing surface, the mass of the plane i s ______ kg. [Take air density = 1 kg m⁻³ and g = 10 m s⁻²]
Physics · Fluid Mechanics · equation of continuity and bornullie theorem
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 air is 180 km h⁻¹ over the lower wing surface and 252 km h⁻¹ over the upper wing surface, the mass of the plane is ______ kg. [Take air density = 1 kg m⁻³ and g = 10 m s⁻²]