Question

I need to answer how high the ball went?

1. (6 pts) Ball- y O On the figure above, label the positions with the highest speed (A), the lowest speed (B) and the highest velocity (C). (note, there can be more then one of some of these positions) (a) (b) If a ball is thrown straight up at 20 m/sec, how long does it take to get back to your hand?

Answer 1

D с P maximum speed at y = 0 - velocity at y o - Menimum speed at y = y. Curen Vo=200/= Umad. o y = lo g t Here to have taken to lovered y 9-accelerationale or ar youn - Ungu - gt t= Umaa to granty o final speed o initial z 9. 0387 sec. 200/ 9.814/2 Total time :- Time of flight. ' 2 - 2x 12.0207 see) It - 4.077usce A