A stone is thrown straight up from the edge of a roof, 825

Last updated: 7/25/2022

A stone is thrown straight up from the edge of a roof, 825 feet above the ground, at a speed of 18 feet per second. (A) Remembering that the acceleration due to gravity is -32 feet per second squared, how high is the stone 5 seconds later? (B) At what time does the stone hit the ground? (C) What is the velocity of the stone when it hits the ground?