2 Check the meaning of the words in the box. Then read the information and answer the
questions
distance time average speed
calculate equation
To calculate average speed, you need the
following equation
distance
- average speed
tine
Example
Distance: a lap was 300 metres long
4x 300 metres = 1,200 metres
Time: Adams completed the 1,200 metres
in 63 seconds
1,200 19.05 metres
So, average speed
63 per second (m/s)
To calculate average speed in kilometres
per hour, use this equation:
Average speed in metres per second (m/s)
x 3.6 = average speed in kilometres per hour
(km/h)
1 Look again at the table in exercise 1.
Calculate the average speed of Gollob, Olsen
and Crump, in m/s
2 Now calculate the average speed of all the
riders in km/h

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