Monday
October 20, 2014

Homework Help: physics

Posted by Fefe on Saturday, October 24, 2009 at 5:59pm.

A student drops a ball from the top of a tall building; the ball takes 2.8 s to reach the ground.
1. what was the ball's speed just before hitting the ground?
2. What is the height of the building?

help please?

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