A ball is dropped vertically, from a height h above the ground. It hits the ground and bounces up vertically to a height h/2. Neglecting subsequent motion and air resistance, its velocity v varies with the height h as

A ball is dropped vertically, from a height h above the ground. It hit

1.	A ball is dropped vertically, from a height h above the ground. It hits the ground and bounces up vertically to a height h/2. Neglecting subsequent motion and air resistance, its velocity v varies with the height h as
Answer» ANSWER :A