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July 25, 2014

Homework Help: Pre-Algebra

Posted by Anonymous on Monday, October 1, 2012 at 8:47am.

If a ping pong ball falls from the top of a building that is 168 feet high, how many seconds will it take the ball to hit the ground? Remember, the formula for distance is d = 16t^2.
1
3.2
10.5
16

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