The displacement of a particle is s=t2(t+2k) ms=t^2(t+2k)\text{ m}s=t2(t+2k) m at time t t\,t seconds. The particle is instantaneously at rest when t=4t=4t=4.
Determine kkk.
Find the acceleration when t=10t=10t=10.
46 exam-style questions on OCR A Level Maths 3.2.6 Non-uniform acceleration in one dimension (A-level only). Each one has a worked solution and a mark scheme showing where the marks go.