Two balls having different masses reach the same height when shot into the air from

the ground. If there is no air resistance, which of the following statements must be

true? (More than one statement may be true.)

ABoth balls left the ground with the same speed.

BBoth balls left the ground with the same kinetic energy.(c) Both balls will have the same gravitational potential energy at the highest point.

DThe heavier ball must have left the ground with a greater speed than the lighter

ball.

EBoth balls have no acceleration at their highest point.