The graph above shows two athletes Michael and Harry 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 Harry level.

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

4) How far did run Michael after 15 seconds? (give your answer to the nearest 5m)

5) What was Harry's speed 20 seconds into the race? (give your answer to 1 decimal place)

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2) The two runners are level after 18 seconds.

3) Harry won the race by 4 seconds.

4) 120 metres

5) 5.1 m/s

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# Answers

1) 400m in 51 seconds => average speed of 7.84 m/s2) The two runners are level after 18 seconds.

3) Harry won the race by 4 seconds.

4) 120 metres

5) 5.1 m/s

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