The speed-time graph for a car is shown in the following figure
(a) Find out how far the car travels in the first 4 seconds. Shade the area on the graph that represents the distance travelled by the car during the period.
(b) Which part of the graph represents uniform motion of the car?
The shaded area which is equal to `1/2xx4xx6=12m` represents the distance travelled by the car in the first 4 s.
The part of the graph in red colour between time 6 s to 10 s represents uniform motion of the car.
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- Graphical Representation of Motion - Distance-time Graphs