Answer:
\[u=43.2km/h=12m/s\]
\[a=-6.0m{{s}^{-2}}.\]
\[v=0\]
Distance travelled by the person (S) = ?
We know that \[{{v}^{2}},-{{u}^{2}}=2aS\]
\[S=\frac{{{v}^{2}}-{{u}^{2}}}{2a}\]
\[S=\frac{{{0}^{2}}-{{(12)}^{2}}}{2\times -6}=\frac{12\times 12}{12}=12m\]
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