The diagram below shows the speed—time graph of part of a short journey made by a cyclist.

a. Which part of the graph shows when the cyclist is travelling at constant speed?

b. State what is happening during the rest of the journey shown in the graph.

c. i. Calculate the distance travelled during the first 50 s.

ii. Calculate the distance travelled between 50 s and 100 s.

iii. Calculate the total distance travelled.

iv. Calculate the average speed during the 100 s.

Transcribed Image Text:

25 speed m/s 20 15 10- 10 20 30 40 50 60 70 80 90 100 time/s 5.