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Q9: Answers – Paper 3 – November 2018
Q9: Answers – Paper 3 – November 2018
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Working
A motor racing circuit consists of
 two parallel straight sections,
 each of length 0.75 km a semicircle of diameter 0.9 km
 three equal, smaller semicircles.
The length of a motor race must be greater than 305 km
What is the lowest number of full laps needed at this circuit?
You must show your working.
What is the lowest number of full laps needed at this circuit?
You must show your working.
Question
9) A motor racing circuit consists of
 two parallel straight sections,
 each of length 0.75 km a semicircle of diameter 0.9 km
 three equal, smaller semicircles.
The length of a motor race must be greater than 305 km
What is the lowest number of full laps needed at this circuit?
You must show your working.
What is the lowest number of full laps needed at this circuit?
You must show your working.
[5 marks]