A car travels along a straight horizontal road. The graph shows the variation of the velocity $v$ of the car with time $t$ for 6.0 s of its journey.
The brakes of the car are applied from $t = 1.0 \, \text{s}$ to $t = 4.0 \, \text{s}$.
How far does the car travel while the brakes are applied?
1 )
21 m
45 m
3 )
67 m
4 )
83 m
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