i) F = mg = 0.2 X 10 = 2 N
Net force = 2 - 0.4 = 1.6 N
ii) F = ma
1.6 = 0.2 x a
a = 8m/s2
iii) v2 = u2 - 2as,
but v = 0m/s
s = $\frac{u^2}{2a}$ = $\frac{5\times 5}{2\times 8}$ = 1.5625 m
johnmulu answered the question on February 14, 2017 at 05:32
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