Question

One person drops a ball from the top of a building while another person at the bottom throws a ball vertically upward. Suppose that the ball with the same mass as the first ball was thrown vertically upward reached the height from which the ball was dropped by the first person. Neglecting the effects of external forces, prove whether the two balls have equal or different mechanical energy. Explain your answer.​

Answer 1

Answer:

ANSWER

Time of flight is always dependent on height of fall for a freely falling body, which is the same for both the cases.

Hence, option C is correct.