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

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

2) After how many seconds into the race are Kirani and Lashawn level.

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

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

5) What was Lashawn's speed 25 seconds into the race? (give your answer to 1 decimal place)

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2) The two runners are level after 23 seconds.

3) Kirani won the race by 7 seconds.

4) 125 metres

5) 4.7 m/s

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# Answers

1) 400m in 48 seconds => average speed of 8.33 m/s2) The two runners are level after 23 seconds.

3) Kirani won the race by 7 seconds.

4) 125 metres

5) 4.7 m/s

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