(a)[1]
Find the car's deceleration from 240 to 320 seconds.
(b)[3]
Calculate the car's total distance travelled in the 320 seconds.
Mathematics 0580 · IGCSE · Graphs in practical situations
Graphs in practical situations — practice question
A speed–time graph is used to give details of a car journey. Speed is in m/s and time is in seconds. The car increases speed from 0 to 16 m/s in 30 s, then continues at a steady speed up to 240 s, before slowing down to 0 by 320 s.