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A ball is thrown horizontally from the top
of a 66 m building and lands 90 m from
the base of the building. Ignore air
resistance
a) How long is the ball in the air?
s
b) What must have been the initial
horizontal component of the velocity?
2
m/s
c) What is the vertical component of the
velocity just before the ball hits the
ground?
m/s
d) What is the velocity and angle of the
ball just before it hits the ground?
m/s
Degrees below x-axis

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