A ball is thrown vertically upward from the top of a

Last updated: 8/28/2022

A ball is thrown vertically upward from the top of a building 144 feet tall with an initial velocity of 128 feet per second. The distances (in feet) of the ball from the ground after t seconds is s = 144 +128t- 16t2. After how many seconds does the ball strike the ground? 8 sec 145 sec 9 sec 11 sec