(main)[6]
Determine the distance $P$ travels before it is instantaneously at rest.
Mathematics 9709 · AS & A Level · Kinematics of motion in a straight line
Kinematics of motion in a straight line — practice question
Particle $P$ travels along a straight line. It leaves point $O$ from rest, and after $t$ s from leaving $O$ its acceleration is $a\text{ m s}^{-2}$, with $a = 6t - 18$.
Worked solution & mark scheme
This 6-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Try integrating the acceleration to get $v = 3t^2 - 18t + C$” …
- Full mark scheme, point by point
- Step-by-step worked solution
- Write your answer & get it marked instantly by AI