(a)[1]
Find the value of $u$.
(b)[2]
Find the maximum height of $P$ above the ground.
Mathematics 9709 · AS & A Level · Kinematics of motion in a straight line
Kinematics of motion in a straight line — practice question
Particle $P$ is projected vertically upwards from the ground with speed $u\,\text{m s}^{-1}$. $P$ reaches its maximum height after $3\,\text{s}$.
Worked solution & mark scheme
This 3-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Applies $v=u+at$ (or an equivalent equation) to obtain $u=30$” …
- Full mark scheme, point by point
- Step-by-step worked solution
- Write your answer & get it marked instantly by AI