physics
posted by Anonymous .
A ball thrown vertically upward has an upward velocity of 5.68 m/s at a point 11.9 m above where it was thrown. How long does the ball take to reach that point?

An arrow is shot vertically upward and then 2.02 s later passes the top of a tree 39.3 m high. How much longer will the arrow travel upward, and how high will it go? Find the time and height
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