(a)[1]
Keeping each answer in its simplest form, find expressions in terms of $u$ for the deceleration over the final $10$ seconds.
(b)[1]
Find the speed at $t=55$.
(c)[2]
Find the distance covered in these $60$ seconds.
Mathematics 4024 · O Level · Graphs in practical situations
Graphs in practical situations — practice question
This diagram shows the speed-time graph for $60$ seconds of a train’s trip. At the start of this section, the train is moving at $u\ \text{m s}^{-1}$.