Physics
posted by Hillary .
A ball is thrown vertically upward from a bridge 70 meters above the river with a velocity of 44 m/s. How high above the water did the ball rise?

Physics 
bobpursley
When does it get to the top?
Well vf at top is zero.
Vf=0=44gt
t= 44/g seconds
Then, height is 44*44/g1/2 g (44/g)^2 above the starting point, then add 70 to get height above the river.
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