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A race-car driver is driving her car at a record-breaking speed of 225 km/h. The first...

A race-car driver is driving her car at a record-breaking speed of 225 km/h. The first turn on the course is banked at 15, and the car’s mass is 1450 kg.

find :

a)        Calculate the radius of curvature for this turn.             b)        Calculate the centripetal acceleration of the car.

c)         If the car maintains a circular track around the curve (does not move up or down the bank), what is the magnitude of the force of static friction?

d)        What is the coefficient of static friction necessary to ensure the safety of this turn?

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