Aforce that acts in the opposite direction of motion of the object will cause the object

Blank liquids and gases exert a buoyant force on objects placed in them

The cerebellum controls? thirst sensations sleep-wake cycles hand-eye coordination heart rate and pulse

The ratio of lift to drag l/d for a wing or airfoil is an important aerodynamic parameter, indeed, it is a direct measure of the aerodynamic efficiency of the wing. if a wing is pitched through a range of angle of attack, l/d first increases, then goes through a maximum, and then decreases. consider an infinite wing with an naca 2412 airfoil. estimate the maximum value of l/d. assume that the reynolds number is 9x10^6.