A particle P P\,P travels along a straight line such that at time t t\,t seconds, t≥0t \geq 0t≥0, after leaving the point O O\,O on the line, the velocity of PPP, v v\,v ms−1^{-1}−1, is modelled as
v=3t+5−2t2 v = 3t + 5 - 2t^2 v=3t+5−2t2Find the value of t t\,t at the point when P P\,P stops accelerating.
Find the distance of P P\,P from O O\,O at the instant when P P\,P changes its direction of motion.
Practise Edexcel A Level Maths Variable Acceleration with exam-style questions for A Level Maths. 16 questions covering 11.1 Functions of Time, 11.2 Using Differentiation, 11.3 Maxima and Minima Problems, 11.4 Using Integration, and 11.5 Constant Acceleration Formulae, matched to the Edexcel A Level Maths (9MA0) specification and written in Paper 1, Paper 2 and Paper 3 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.
