PHYSICS · Single correct · A Level · Physics · Mechanics and materials · Mechanics and materials
Problem
Ball A is dropped from a balcony. Ball B is dropped from the same point exactly 2s later. Ignore air resistance. Which one of the following best describes the distance between the balls after B is released?
(a) It remains constant.
(b) It first decreases and then increases.
(c) It increases continuously.
(d) It decreases continuously and eventually becomes zero.