John carried out an experiment to find out how different surfaces (P, – McqOptions

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1.	John carried out an experiment to find out how different surfaces (P, Q, R and S) affect the distance a car travelling at 50 km/h needed to stop once the brakes are applied. The results are shown below: Type of road surfaces P Q R S Stopping distance(m) 18 15 19 27 Which type of road will provide the most friction for the car to stop?
A.	P
B.	Q
C.	R
D.	S
Answer» C. R

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