(i)[5]
Calculate the speed of $P$ after it has been moving for $4\,\text{s}$, and calculate a second time at which $P$ has this speed.
(ii)[2]
Find the distance $OP$ after $P$ has been in motion for $4\,\text{s}$.
Mathematics 9709 · AS & A Level · Representation of data
Representation of data — practice question
Particle $P$ is launched from point $O$ on a horizontal plane with speed $50\,\text{m s}^{-1}$ at an angle of $30^\circ$ above the horizontal.
Worked solution & mark scheme
This 7-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Vertical resolution gives: $V\sin heta = 50\sin30 - 4g = -15$” …
- Full mark scheme, point by point
- Step-by-step worked solution
- Write your answer & get it marked instantly by AI