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Question 1
114230

The height of a ball \(t\) seconds after it is thrown into the air is given by: \(h(t)=9+16t-4t^2\)

i) What is the maximum height reached by the ball?

ii) How long will it take for the ball to fall back to the ground?

i) \(25 \text{ m}\)

ii) \(2\dfrac{1}{2} \text{ seconds}\)

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