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Here is the velocity-time graph of a car
for 40 seconds.
a) Work out the average
acceleration during the
40 seconds.
Give the units of your answer.
30
Velocity
(m/s)
20
10
b) Estimate the time during the
40 seconds when the
instantaneous acceleration
is equal to the
average acceleration
You must show your working
on the graph to get full marks.
Answer seconds
Give your answer to
the nearest second
0-
0
10
30
40
20
Time (s)