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The friction between the tires of a car and a flat road provides the centripetal force...

The friction between the tires of a car and a flat road provides the centripetal force for a
turn. For a 1800 kg car travelling at 25 m/s on a curve of radius 100 m:
a. Calculate the normal force on the car from the road.
b. Calculate the centripetal force required to turn the car safely.
c. Calculate the minimum coefficient of static friction between the tires and road for the car
to turn safely.
d. Ice on the road reduces the coefficient of friction to 0.09. What is the maximum speed of
the car to turn safely?

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