The height of a projectile fired upward with an initial

Last updated: 8/14/2022

The height of a projectile fired upward with an initial velocity of 160 feet per second is given by the formula h = -16t² + 160t where h is the height in feet and t is the time in seconds. Determine the time required for the projectile to return to earth. A) 35 sec B) 25 sec C) 10 sec D) 5 sec E) 20 sec