A-LevelMathematicsMechanicsOct/Nov 2018Paper 4 Q47 Marks
A runner sets off from a point P at time t = 0, where t is in seconds. The runner starts from rest and accelerates at 1.2ms¯² for 5s. For the next 12s the runner moves at constant speed before decelerating uniformly over a period of 3 s, coming to rest at Q. A cyclist sets off from P at time t = 10 and accelerates uniformly for 10s, before immediately decelerating uniformly to rest at Q at time t = 30.
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