Mathematics (AS & A Level) · Feb / March 2017 · Paper 42 · Question 5

A particle P moves in a straight line starting from a point O and comes to rest 35 s later. At time t s after leaving O, the velocity v m s−1 of P is given by v = 4 5t2 0 ≤t ≤5, v = 2t + 10 5 ≤t ≤15, v = a + bt2 15 ≤t ≤35, where a and b are constants such that a > 0 and b < 0.

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