(i)[3]
Find $V$.
(ii)[3]
Calculate the distance of the particle from $O$ at the instant $3\,\text{s}$ after projection.
Mathematics 9709 · AS & A Level · Representation of data
Representation of data — practice question
A particle is launched from point $O$ on horizontal ground with speed $V\,\text{m s}^{-1}$ and is projected at an angle of $60^\circ$ above the horizontal. At the moment $3\,\text{s}$ after projection, the direction of motion of the particle is $30^\circ$ below the horizontal.
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This 6-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Vertical component of velocity $= \pm (V\sin 60 - 3g)$ from $v = u + at$” …
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