# A car travelling on a straight road at $15.0$ meter per second accelerates uniformly to a speed of $21.0$ meters per second in $12.0 \;second$. The total distance traveled by the car in this $12.0$ second time interval is
$\begin{array}{1 1} 36.0\;m \\ 180\;m \\ 216\;m \\252\;m \end{array}$