Posted by Alicia on Thursday, February 9, 2012 at 6:07pm.
While sitting on a tree branch 12m above the ground, you drop a chestnut. When the chestnut has fallen 2.5m, 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?

Physics  Anonymous, Tuesday, August 30, 2016 at 8:11am
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