Posted by Addie on Wednesday, May 11, 2011 at 12:06am.
It reaches a height H such that
M g H = (1/2) M Vo^2, therefore
H = Vo^2/(2g)
g = 32.2 ft/s^2 Vo is the initial velocity
H = 99.4 feet
Time going up = Vo/g = 2.48 s
The time coming down is the same.
Total time in the air = 4.96 s
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