Question

Porential energy of a 3kg body at the surface of a planet is -54 j, then escape velocity will be

Answer 1

· It occurs when the sum of the drag force (Fd) and the buoyancy is equal to the downward force of gravity (FG) acting on the object. ... At this point the object ceases to accelerate and continues falling at a constant speed called the terminal velocity (also called settling velocity).