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Mathematics (AS & A Level) · Oct / Nov 2016 · Paper 41 · Question 7

9709

As printed in the paper

The question as text

A racing car is moving in a straight line. The acceleration a m s−2 at time t s after the car starts from rest is given by a = 15t −3t2 for 0 ≤t ≤5, a = −625 t2 for 5 < t ≤k, where k is a constant.

Read automatically from the paper; the printed page above is exact.

Show the answer and mark scheme
  • 7(i)[3]

  • 7(ii)[3]

  • 7(iii)[5]

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