A ball is thrown horizontally from the roof of building 50.m tall and lands 45m from the base. What was the balls initial speed

3 answers

time of flight ... 50 = 1/2 g t^2

initial speed = 45 m / t
1. A ball is thrown horizontally from the roof of a building 50. m tall and lands
45 m from the base. What was the ball’s initial speed?
7.92 m/s