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April 25, 2014

April 25, 2014

Posted by **Hannah** on Monday, February 27, 2012 at 5:55pm.

is the velocity of the ball just prior to it hitting the ground? (b) If the ball is thrown back up to

a ledge 15 m above the ground, what would be the velocity just as it reaches the ledge?

- Physics -
**Damon**, Monday, February 27, 2012 at 5:59pm(1/2) m v^2 = m g h

so

v = sqrt(2gh)

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