return journeys in distance time graphs
TRANSCRIPT
(incl. calculations)
Distance–Time Graphs 2
Dis
tan
ce (
m)
1 2 3
1
2
3
4
5
Time (s)
slope = average speed
Dis
tan
ce (
km)
1 2 3
5
1
0
Time (hr)
10 km ÷ 1 hr = 10 km/hr
distance travelled time taken
=
10 km ÷ (2.2-2) hr
= 50 km/hr = 10 km ÷ 0.2 hr
average speed
2.2 2.0
Distance-time graphs can illustrate an entire
journey
Average speed = slope of graph
Review
y axis = distance
x axis = time
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