Here is a distance-time graph for a train journey.

a. Calculate the speed of the train during the first 40 minutes in kilometres/hour.
b. Calculate the speed of the train on the last section of the journey, from 70 to 100 minutes.

Jack cycles from Bristol to Salisbury. The diagram shows the distance-time graph of his journey.

a. How far from Bristol is Jack at 09:00?
b. Calculate the speed of Jack during the first two hours of his journey?
c. How far did Jack travel in total?
d. What is the average speed of Jack till 12:00?

The diagram shows the distance-time graph of his race.
a. How long did it take Alice to run \(200\) metres?
b. What is Aliceʼs average speed over the race?

Here is a distance-time graph for a train journey.
a. Calculate the speed of the train during the first 40 minutes in kilometres/hour.
b. Calculate the speed of the train on the last section of the journey, from 60 to 120 minutes.

Here is part of a travel graph of Jackʼs journey from his home to the gym.

a) What is the speed of Jack during the first 30 minutes?
b) After how many minutes did Jack reach the gym?
c) What is the average speed of Jack in the first 40 minutes?