A sprinter running a 100 meter race start at rest accelerate at constant acceleration with magnitude A for 2 seconds and then runs at constant speed until the end (a) find the position (relative to start position) and speed of the runner at the end of the 2 seconds in terms of A (b) assume that the runner takes a total of 1p seconds to run the 100 meter find the value of the acceleration A you can leave your answer in term of fraction but clearly indicates the units

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