Figure 2 shows how the velocity of a train on a model railway changes with time.
0.6-
a
velocity
(m/s)
0.5-
0.4
0.3
0.2-
0.1
0
0
5 10
A between Os-5s
B between 5s-15s
15
Figure 2
Deduce the time when the train is travelling at its highest speed.
Tick one box.
between 15s-30s
OD between 30s-45s
20 25 30
time (s)
35
40 45
b Show that the magnitudes of the train's accelerations after 10s and after 35s are in the ratio 2:1.
c Show that the model train travelled a distance of 4 m between the times 30s and 40 s.