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August 30, 2014

Homework Help: physics

Posted by jawn on Thursday, August 27, 2009 at 10:14pm.

While sitting on a tree branch 10.0 m above the ground, you drop a chestnut. When the chestnut has fallen 2.0 m, you throw a second chestnut straight down. What initial speed must you give the second chestnut if they are both to reach the ground at the same time?

Answer is 8.8. Show me how please :)
thanks in advance

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