Car A and car B take part in a race around a circular track.
One lap of the track measures 7.6 km.
Car A takes 2 minutes and 40 seconds to complete each lap of the track. Car B takes 2 minutes and 25 seconds to complete each lap of the track. Both cars travel at a constant speed.
(a)
Calculate the speed of car A.
Give your answer in kilometres per hour.
Both cars start the race from the same position, S, at the same time.
Find the time taken when both car A and car B are next at position S at the same time. Give your answer in minutes and seconds.
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Answer:
position S at the same times minutes 75 and second 1.8
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