Two students are on a balcony 19.2 m above the street. One student throws a ball vertically downward at 14.9 m/s; at the same instant the other student throws a ball vertically upward at the same speed. The second ball just misses the balcony on the way down.
(a) What is the difference in their time in air?
s
(b) What is the velocity of each ball as it strikes the ground?
m/s
m/s
(c) How far apart are the balls 0.900 s after they are thrown?
m