A boy sees a ball going up and then back down through a

Last updated: 6/6/2023

A boy sees a ball going up and then back down through a window 2 45m high total time the ball is in sight for up and down motion is 1 sec The height abou window that the ball rises is 1 0 98 m 2 0 49 m 3 0 245 m 4 0 306 m