Mathematics 4024 · O Level · Graphs in practical situations

Graphs in practical situations — practice question

The diagram illustrates Sam’s speed-time graph for the trip from home to work.

(a)[1]

Calculate the acceleration, in $\text{m s}^{-2}$, during the first $2$ minutes of Sam’s journey.

(b)[3]

Calculate Sam’s average speed, in $\text{m s}^{-1}$, over the entire journey.

Worked solution & mark scheme

This 4-mark question has a full step-by-step worked solution and mark scheme. One marking point: “The fraction is $\dfrac{20}{120}$.” …