i) S = ut + $\frac{1}{2}at^2$
$\rightarrow$ 49 = 0 + $\frac{1}{2}a\times 7^2$
a = 2m/s2
ii) V = u + at
0 + 2 x 7 = 14m/s
johnmulu answered the question on February 14, 2017 at 05:16
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