A car is traveling on a banked road at a constant speed υ. Determine the range of values o...

A car is traveling on a banked road at a constant speed υ. Determine the range of values of υ for which the car does not skid, Express your answer in terms of the radius r of the curve, the banking angle θ, and the angle of static friction ϕx between the tires and the pavement.

Fig. P12.52