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Question 1
58017

A car is travelling at \(30\,m/s\) when the brakes are applied. It is brought to rest with uniform deceleration in \(4s\). How far did it travel after the brakes were applied? 

\(60m\)

$$
\begin{aligned}
u=30 \mathrm{~m} / \mathrm{s},\ & v=0 \mathrm{~m} / \mathrm{s},\ t=4 \\
S&=\frac{1}{2}(u+v) t \\
\quad&=\frac{1}{2}(30+0) \times 4 \\
&=60 \mathrm{~m} .
\end{aligned}
$$

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