Monday
September 22, 2014

Homework Help: physics

Posted by chris on Wednesday, September 21, 2011 at 1:26pm.

1. A ball rolling on a platform at 4 m/s rolls off of the platform at 4 m/s and hits the ground 8 m from the base of the platform.
a. How long does it take the ball to hit the ground?
b. How high is the platform?

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