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Mathematics, 02.01.2021 14:00 ash9951
From the roof of a building, a ball is thrown into the air. The height of the ball, h, in
metres after t seconds is given byh = -t2 + 4t + 12.
a) What is the height of the building?
b) How long will it take for the ball to hit the ground?
c) What is the maximum height of the ball and when does it occur?
d) When will the ball have a height of exactly 7m above the ground?
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Answers: 2
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From the roof of a building, a ball is thrown into the air. The height of the ball, h, in
metres af...
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