The graph above shows two athletes Michael and Wayde competing in a 400 metre race.Name: Date:

1) Michael runs at a constant speed. Calculate his average speed correct to 2 decimal places.

2) After how many seconds into the race are Michael and Wayde level.

3) Who won the race and by how many seconds?

4) How far did run Michael after 40 seconds? (give your answer to the nearest 5m)

5) What was Wayde's speed 22 seconds into the race? (give your answer to 1 decimal place)

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2) The two runners are level after 20 seconds.

3) Wayde won the race by 6 seconds.

4) 285 metres

5) 3.9 m/s

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# Answers

1) 400m in 56 seconds => average speed of 7.14 m/s2) The two runners are level after 20 seconds.

3) Wayde won the race by 6 seconds.

4) 285 metres

5) 3.9 m/s

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