Mathematics (AS & A Level) · Oct / Nov 2022 · Paper 42 · Question 7

A particle P travels in a straight line, starting at rest from a point O. The acceleration of P at time t s after leaving O is denoted by ams−2, where a = 0.3t 1 2 for 0 ≤t ≤4, a = −kt−3 2 for 4 < t ≤T, where k and T are constants.

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