A1 500-kg car rounds an unbanked curve with a radius of 52 m at a speed of 12 m/s. what minimum coefficient of friction must exist between the road and tires to prevent the car from slipping? (g = 9.8 m/s^2 )

Coefficient of friction will be 0.2825

Explanation:

We have given mass of the car m = 1500 kg

Radius of curve r = 52 m

Velocity v = 12 m /sec

Acceleration due to gravity

At unbanked road frictional force must be equal to centripetal force

So , here is coefficient of friction

So

So coefficient of friction will be 0.2825