Wow thanks, I didn't look at the quadratic formula in that perspective. My method of finding the answer was different compared to the Mastering Physics solution, but it gave the same exact number. So once again I want to say thanks, I really appreciate the help!
Homework Statement
An object falls from rest off a building, with a constant acceleration of 9.8 m/sec^2.
The object travels half the building in its last 1 secs of its fall before hitting the ground. What is the height of the building?
v_0 = 0
a = 9.8
Homework Equations
x = x_0 + v_0 t +...