(i)[3]
Determine $V$.
(ii)[2]
Hence determine the horizontal and vertical displacements of $P$ from $O$ at the instant $1.5\text{ s}$ after projection.
Mathematics 9709 · AS & A Level · Representation of data
Representation of data — practice question
Starting from point $O$ on horizontal ground, a particle $P$ is projected with speed $V\text{ m s}^{-1}$ at an angle of $60^\circ$ above the horizontal. $1.5\text{ s}$ after projection, $P$ is travelling at an angle of $45^\circ$ above the horizontal.