physics
posted by Kimberly .
A ball is thrown horizontally from the top of
a building 32.3 m high. The ball strikes the
ground at a point 110 m from the base of the
building.
The acceleration of gravity is 9.8 m/s
2
.
Find the time the ball is in motion.
Answer in units of s

physics 
Henry
H = 0.5g*t^2 = 32.3 m.
4.9t^2 = 32.3
t^2 = 6.59
t = 2.57 s.
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