Car A and car B compete in a race on a circular track. The length of one complete lap is 7.6 km. Car A needs 2 minutes and 40 seconds to finish each lap of the track. Car B needs 2 minutes and 25 seconds to finish each lap of the track. Both cars move with uniform speed.
(a)[3]
Calculate the speed of car A. Write your answer in kilometres per hour.
(b(i))[4]
Find the time when both car A and car B are next together at position $S$. Give your answer in minutes and seconds.
(b(ii))[2]
Find how far car A has travelled at this moment.
Worked solution & mark scheme
This 9-mark question has a full step-by-step worked solution and mark scheme. One marking point: “171” …