Mathematics 4024 · O Level · Graphs in practical situations
Graphs in practical situations — practice question
Lara takes a cycle ride, and her journey is represented on the distance-time graph.
(a)[3]
Calculate Lara’s average speed, in kilometres per hour, for the journey as a whole.
(b)[2]
A car moves at a constant speed of $10\text{ m s}^{-1}$ for $80$ seconds. It then slows down at a constant rate of $0.5\text{ m s}^{-2}$ until it stops. On the grid, sketch the speed-time graph for this motion.
Worked solution & mark scheme
This 5-mark question has a full step-by-step worked solution and mark scheme. One marking point: “$16$” …