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Q3 A B 30m Two runners (shown in the diagram above) are 30 metres apart. The front-runner (runner B) is travelling at constant speed 8ms

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Q3 A B 30m Two runners (shown in the diagram above) are 30 metres apart. The front-runner (runner B) is travelling at constant speed 8ms 1. The back runner (runner A) is initially travelling at 4ms 1 but is accelerating at 0.8ms-1 a) Find the time it takes for runner A to catch runner B (5) b) Find the distance either runner has covered before A catches B. (2) [Total 7 marks]

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