Assuming the coefficient of friction between the road and tyres of a car to be 0.5 , the maximum....

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Assuming the coefficient of friction between the road
\( \mathrm{P} \)
and tyres of a car to be 0.5 , the maximum speed with which the car can move round a curve of \( 40.0 \mathrm{~m} \) radius without slipping, if the road is unbanked, should be:
(1) \( 25 \mathrm{~m} / \mathrm{s} \)
(2) \( 19 \mathrm{~m} / \mathrm{s} \)
(3) \( 14 \mathrm{~m} / \mathrm{s} \)
(4) \( 11 \mathrm{~m} / \mathrm{s} \)


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