Question

A car is moving along a straight road at a steady speed. It travels $150m$ in $5$ seconds :
(a) What is its average speed?
(b) How far does it travel in $1$ second?
(c) How far does it travel in $6$ seconds?
(d) How long does it take to travel $240m$?

Answer 1

(a) Averape speed, $v_{av}=\frac{\text{Total distance travelled}}{\text{Total time taken}}=\frac{150}{5}=30m/s$

(b) Time $=1s$
Distance $=V_{av}\times time=30\times 1=30m/s$
(c) Time $=6s$
Distance $=v_{av}\times time=30\times 6=180m/s$
(d) Distance $=240m$
$Time=\frac{Distance}{V_{av}}=\frac{240}{30}=8s$