i) S = ut + $\frac{1}{2}gt^2$
1.2 = 0 + $\frac{1}{2}$ x 10 x t2
t = 0.49 seconds
ii) S = ut $\rightarrow$ u = $\frac{S}{t}$
$\frac{2.5}{0.49}$ = 5.102 m/s
johnmulu answered the question on February 14, 2017 at 05:20
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