Homework Help: Physics

Posted by Alysse on Tuesday, February 2, 2010 at 4:16am.

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

Physics - drwls, Tuesday, February 2, 2010 at 4:20am
Your constant name changes are annoying. Show work for further assistance.
Physics - Alysse, Tuesday, February 2, 2010 at 4:27am
I got 0=4.9t^2-4.4t-74
How can I find t from here?
Physics - bobpursley, Tuesday, February 2, 2010 at 10:41am
Use the quadratic equation.

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