GRAVITATION The height h(t) in feet of an object t seconds

Last updated: 7/13/2022

GRAVITATION The height h(t) in feet of an object t seconds after it is propelled straight up from the ground with an initial velocity of 60 feet per second is modeled by the equation h(t) = -16t² + 60t. At what times will the object be at a height of 56 feet?