Mathematics 9709 · AS & A Level · Representation of data
Representation of data — practice question
Particle $P$ is projected from a point $O$, which is $80\,\text{m}$ vertically above horizontal ground, with speed $26\,\text{m s}^{-1}$ at an angle of $30^\circ$ below the horizontal.
(i)[4]
Calculate the distance of the particle from $O$ $2.3\,\text{s}$ after it has been projected.
(ii)[3]
Calculate the horizontal distance covered by $P$ before it hits the ground.
(iii)[4]
Calculate the speed and direction of motion of $P$ immediately before it hits the ground.
Worked solution & mark scheme
This 11-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Determines horizontal displacement $x = 26\cos30^\circ \times 2.3$” …