Question

The force of the wind blowing on a vertical surface varies jointly as the area of the surface and the square of the velocity. If a wind of 50 mph exerts a force of 50lb on a surface of 1/2ft^3, how much force will a wind of 125mpj place in a surface of 3ft^2

Answer 1

If a wind of 50 mph exerts a force of 50 lb on a surface of 1/2 ft^2​, surface varies jointly as the area of the surface and the square of the velocity.

Explanation: