physics
posted by mb .
A ball thrown vertically upward is caught by the thrower after 2 seconds. Find the initial velocity of the ball and the maximum height the ball reaches???!!

physics 
bobpursley
so it took 1 second to get to the top.
Consider it coming down...
vf=gt so it looks like at one second it is going 9.8m/s
h=1/2 g t^2
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