Mathematics 9709 · AS & A Level · Kinematics of motion in a straight line

Kinematics of motion in a straight line — practice question

A particle is launched vertically upwards from horizontal ground. Two seconds after launch, its speed is $5\,\text{m s}^{-1}$ and it is moving downwards.
(a)[2]

Determine the particle’s speed of projection.

(b)[2]

Determine the distance travelled by the particle between the two times when its speed is $10\,\text{m s}^{-1}$.

Worked solution & mark scheme

This 4-mark question has a full step-by-step worked solution and mark scheme. One marking point: Apply constant acceleration equations to create an equation in $u$

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