# Travel Graphs - PowerPoint

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4/7/2010
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```							                        Travel Graphs(1)
50
Time of arrival at
(a)
Catford                                      Bedford.        10:30

40                                     (b) Distance from Alford
to Catford.     45 km

30                                     (c) How long at Catford?
Distance (km)                                                         30 mins

Bedford 20                                    (d) Average speed:
Alford to Catford.
S = d/t = 45/1 = 45 km/hr

10                                     (e) Average speed:return
journey.
S = d/t = 45/½ = 90 km/hr
Alford
10.00      11.00           12.00

Time
Travel Graphs (2)        (a) How long at Bigby?
36 mins

Catby 20                                 (b) How far is it from
Bigby to Catby?
16                                     12 miles

(c) Average speed
Distance                                   from Bigby to Catby?
12
(Miles)                                       S = d/t = 12/0.4
= 30 mph
Bigby    8
(d) Average speed on
return journey?
4
S = d/t = 20/0.8
= 25 mph
Airby
0800   0900       1000     1100 (e) Average speed for
whole journey?
Time                     S = d/t = 40/3
= 13 and 1/3 mph
Travel Graphs (3)
Burton 100
How can you
tell from the
80
graph that the
Distance                                                     journey
(km)                                                      and Burton
was the slower
journeys?
20
Line is less
Watton                                                  steep.

0900         1000   Time 1100          1200

The graph shows part of a return car journey from Watton to Burton.
The car arrived in Burton at 1030 and stopped for 18 minutes before
returning to Watton, at an average speed of 100 km/hr. Complete the
travel graph for this journey.
Travel Graphs (3)
Burton 100
How can you
tell from the
80
graph that the
Distance                                                     journey
(km)                                                      and Burton
was the slower
journeys?
20

Watton
0900         1000   Time 1100          1200

The graph shows part of a return car journey from Watton to Burton.
The car arrived in Burton at 1030 and stopped for 18 minutes before
returning to Watton, at an average speed of 100 km/hr. Complete the
travel graph for this journey.

```
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