Someone Standing At The Edge Of A Cliff Throws A Ball Nearly Straight Up At A Certain Speed And Another Ball Nearly Straight Down With The Same Initial Speed. If Air Resistance Is Negligible, Which Ball Will Have The Greater Speed When It Strikes The?
Both the balls will strike the ground at same speed. This answer was not obvious immediately. When you stand on the cliff both balls have some potential energy.with that potential energy you are adding some kinetic energy. Consider the first ball which was thrown in upward direction.with the initial potential energy of the ball you are … Read more