Mathematics 9709 · AS & A Level · Kinematics of motion in a straight line

Kinematics of motion in a straight line — practice question

A particle travels along a straight line. Its displacement at time $t$ is $s$ m, with $s = t^3 - 6t^2 + 4t$.
(main)[4]

Determine the velocity of the particle at the moment when its acceleration is zero.

Worked solution & mark scheme

This 4-mark question has a full step-by-step worked solution and mark scheme. One marking point: Tries differentiating $s$ to obtain $v$, resulting in $v = 3t^2 - 12t + 4$

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