A car of mass 1400 kg drives around a curve of radius 410 m at a speed of 32 m/s. The road is not banked and the coefficient of static friction is s

A car of mass 1400 kg drives around a curve of radius 410 m at a speed of 32 m/s. The road is not banked and the coefficient of static friction is μs = 0.5. 

a) What is the frictional force on the car? 

b)What is the minimum radius it can turn?