Physics
posted by Alysse on .
A brick is thrown vertically upward with an initial speed of 4.40 m/s from the roof of a building. If the building is 74.0 m tall, how much time passes before the brick lands on the ground? I don't get how to solve it still

Your constant name changes are annoying. Show work for further assistance.

I got 0=4.9t^24.4t74
How can I find t from here? 
Use the quadratic equation.