A racing car accelerates from rest along a straight track. The table shows how its speed changes with time for the first 10.0 s of the race.

\begin{array}{|c|c|c|c|c|c|c|}\hline \text{Time / s} & 0 & 2.0 & 4.0 & 6.0 & 8.0 & 10.0 \\ \hline \text{Speed / m/s} & 0 & 5.2 & 11.8 & 17.6 & 22.4 & 26.0 \\ \hline\end{array}

What is the average acceleration of the car between time 4.0 s and 6.0 s?

$m/s22.9\text{ m/s}^2$

$m/s25.8\text{ m/s}^2$

$m/s28.8\text{ m/s}^2$

$m/s211.8\text{ m/s}^2$

A racing car accelerates from rest along a straight track. The table shows how its speed changes with time for the first 10.0 s of the race.

\begin{array}{|c|c|c|c|c|c|c|}\hline \text{Time / s} & 0 & 2.0 & 4.0 & 6.0 & 8.0 & 10.0 \\ \hline \text{Speed / m/s} & 0 & 5.2 & 11.8 & 17.6 & 22.4 & 26.0 \\ \hline\end{array}

What is the average acceleration of the car between time 4.0 s and 6.0 s?

$m/s22.9\text{ m/s}^2$

$m/s25.8\text{ m/s}^2$

$m/s28.8\text{ m/s}^2$

$m/s211.8\text{ m/s}^2$

Motion

Motion Questions