2 Fig. 1.1 shows the speed-time graph for a car travelling along a straight road.
The graph shows how the speed of the car changes as the car passes through a small town.
35
speed
m/s
30-
25
20
15-
10
5-
0
10
enters
town
here
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20
30
leaves
town
here
40
distance =
Fig. 1.1
(a) Calculate the distance between the start of the town and the end of the town.
(b) Calculate the acceleration of the car between C and D.
50
acceleration =
time/s