A car travels the 200 miles along the M1 from London to Leeds. The car leaves London at
8am and travels at a constant speed of 60mph for the first 60 miles.: 1
The driver takes a break of 30mins at a motorway services before continuing the journey at
a constant speed of 70mph.
D'
a) Draw a distance-time graph of the journey.
Distance from London (miles)
200
180
160
140-
120
100
80
60
40
20
0
8am
9am
10am
Time
b) Work out the average speed for the complete journey.
Give your answer as a mixed number.
11am
12noon
=) A lorry leaves Leeds at 8am and travels to London without stopping at a constant
speed of 50mph. Draw the distance-time graph of the lorry on the same grid.
d) At what time do the car and lorry pass each other?
[3]
[2]
EE
[1]
[1]