일반물리학 1 — Motion Along a Straight Line: Problem 62

62 A basketball player grabbing a rebound jumps 78.0 cm vertically. How much total time (ascent and descent) does the player spend (a) in the top 15.0 cm of this jump and (b) in the bottom 15.0 cm? Do your results explain why such players seem to hang in the air at the top of a jump?