Asked by Ashley

A ball is thrown horizontally from the top of a building 55.4 m high. The ball strikes the ground at a point 65 m from the base of the building.
The acceleration of gravity is 9.8 m/s2 .
Find the time the ball is in motion in seconds.
Answered by bobpursley
hf=hi+vi*t-4.9t^2

solve for time.
Answered by Ashley
how do i solve for time when i don't know initial velocity?
Answered by Anonymous
dy(height)=1/2 times acceleration due to gravity(9.81) times time squared
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