Question: 2. At time / = 0, a ball is thrown straight up from a height of 5 m above the ground. After / seconds its

2. At time / = 0, a ball is thrown straight up from a height of 5 m above the ground. After /

$=5+41-12. (a) By completing the squares, find the maximum height of the

2. At time / = 0, a ball is thrown straight up from a height of 5 m above the ground. After / seconds its distance s (in meters) above the ground is given by $=5+41-12. (a) By completing the squares, find the maximum height of the ball above the ground. (b) Sketch the graph of s against /. (c) Find the difference time taken of the ball which the height of the ball above the ground is 5.5 m . Give your answer in the surd form.QUESTION 1. A curve has the parametric equations x = v17 cos0-1 and y = v17 sin 0 +4 where OSO - 2 (a) Without eliminating 0, find the exact value of when 0= (b ) Find the arc length of the curve. Give your answer in terms of 7. (c) Find the polar equation for the curve

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