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You throw a ball straight up from a roof of a building. The ball leaves your
hand at a point even with the roof railing with an upward speed of 15m/s.
The ball is then in free fall. On its way back down, it just misses the railing.
After 6.0s from release, the ball then hits the ground. What is the height of
the building?
88.7m
99.2m
164.9m
O 176.4m

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