contestada

3 The distance-time graph for a girl on a cycle ride
is shown in Figure 1.2.14.
a Calculate
shou
how far the girl travelled
11 how long the ride took
iii the girl's average speed in km/h
iv the number of stops the girl made
V
the total time the girl stopped one o
vi the average speed of the girl excluding
t-5h-15h
3,5h
stops.
b Explain how you can tell from the shape of
the graph when the girl travelled fastest.
Over which stage did this happen?
soaps
60
50
E
Р
[2]
[Total: 9]
20
0
1 2 3 4 5 6
timels
A Figure 1.2.15
5 Figure 1.2.16 shows an incom
graph for a boy running a di
Calculate his acceleration
[²bvispeed(
Goms seconds.
6 Calculate how far the bow
3
i the first 4 seconds
ii the next 9 seconds?
c Copy and complete the g
clearly at what time he
distance of 100 m. Assum
remains constant at the
the horizontal portion c