Mathematics 9709 · AS & A Level · Representation of data

Representation of data — practice question

A small ball $B$ is launched from point $O$ on level ground. Its initial velocity has horizontal and vertically upward components of $18\,\text{m s}^{-1}$ and $25\,\text{m s}^{-1}$ respectively.
(main)[4]

At $4\,\text{s}$ after projection, determine the speed and direction of motion of $B$.

Worked solution & mark scheme

This 4-mark question has a full step-by-step worked solution and mark scheme. One marking point: Vertical component of velocity $= 25 - 4g$ from $v = u + at$

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