Question: While sitting on a tree branch 1 1 m above the ground, you drop a chestnut. When the chestnut has fallen 2 . 1 m

While sitting on a tree branch 11 m
above the ground, you drop a chestnut. When the chestnut has fallen 2.1 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?

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