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Hi, please answer this physics question.

n is running at his maximum speed of 6.0 m/s to catch a bus stopped by a traffic light. When he is 25 metres from the bus, the light changes and the bus accelerates uniformly at 1.0 m/s2. By use of a graph find either (a) how far he has to run to catch the bus or (b) his frustration distance (closest approach). Do not use a graphing calculator.

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