A classic car is driving down an incline at 60 km/h when its brakes are applied. Treating...

A classic car is driving down an incline at 60 km/h when its brakes are applied. Treating the car as a particle, neglecting all forces except gravity and friction, and assuming that the tires slip, determine the coefficient of kinetic friction if the car comes to a stop in 55 m and θ = 20°.

Figure P4.31