(i)[5]
Calculate the speed and direction of motion of $B$ at the instant $1.8\,\text{s}$ after projection.
(ii)[3]
Point $O$ is $2\,\text{m}$ above a horizontal plane. Calculate the time after projection when $B$ reaches the plane.
Mathematics 9709 · AS & A Level · Representation of data
Representation of data — practice question
A small ball $B$ is launched from point $O$ with speed $14\,\text{m s}^{-1}$ at an angle of $60^\circ$ above the horizontal.