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S = 29.4t – 4.9t2
ds = 29.4 – 9.8t
dt
At maximum height velocity = 0
0 = 29.4 – 9.8t
9.8t = 29.4
t = 3
29.4(3) – 4.9(9) = 88.2 – 44.1
= 44.1 metres
Kavungya answered the question on September 20, 2019 at 08:13
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