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Mathematics (AS & A Level) · Oct / Nov 2023 · Paper 42 · Question 7

9709

As printed in the paper

The question as text

A particle X travels in a straight line. The velocity of X at time t s after leaving a fixed point O is denoted by vms−1, where v = −0.1t3 + 1.8t2 −6t + 5.6. The acceleration of X is zero at t = p and t = q, where p < q.

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

Show the answer and mark scheme
  • 7(a)[4]

  • 7(b)[3]

  • 7(c)[5]

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