A curve in a highway has radius of curvature 130 m and is banked at 3.4°. The coefficients of friction are μs= 0.28 and μk = 0.15. What is the fastest safe speed to drive this curve?
You must take into account the coefficient of friction for this problem. The answer is not 8.70 m/s nor 27.37 m/s.
Thank you for your help.

A curve in a highway has radius of curvature 130 m and is banked at 3.4°....
13.[2pt] A curve in a highway has radius of curvature 120 m and is banked at 3.4º. The coefficients of friction are us = 0.29 and up = 0.12. What is the fastest safe speed to drive this curve?
A car rounds a curve that is banked inward. The radius of curvature
of the road is R = 140 m, the banking angle is θ = 26°, and the
coefficient of static friction is μs = 0.39. Find the minimum speed
that the car can have without slipping.
A car rounds a curve that is banked inward. The radius of curvature of the road is R 140 m, the banking angle is 26e, and the coefficient of static minimum...
A car rounds a curve that is banked inward. The radius of curvature of the road is R = 142 m, the banking angle is θ = 30°, and the coefficient of static friction is μs = 0.32. Find the minimum speed that the car can have without slipping. I got 36.5196 m/s, which isn't correct.
A car rounds a curve that is banked inward. The radius of curvature of the road is R = 152 m, the banking angle is θ = 32°, and the coefficient of static friction is μs = 0.23. Find the minimum speed that the car can have without slipping.
Suppose that a particular highway offramp with a curve radius of 56 m is banked at 10˚ and was originally designed to include a coefficient of static friction of 0.25 between tires and road. If the DoT wants to repost the speed limit so that the curve is correctly banked when including a friction coefficient of only 0.1, what new speed should be posted?
A curve with a 130 m radius on a level road is banked at the correct angle for a speed of 20 m/s. If an automobile rounds this curve at 30 m/s, what is the minimum coefficient of static friction between tires and road needed to prevent skidding?
A highway curve of radius 68.0 m is banked at 21.4 degree so that a car traveling at 26.4 m/s (95 km/hr) will utilize both banking and friction to keep it on the curve. Determine the minimum coefficient of static friction between the tires and the road to keep the car on the road at this speed on this curve.
Highway curves are marked with a suggested speed. If this speed is based on what would be safe in wet weather, estimate the radius of curvature for a curve marked 55 km/h . The coefficient of static friction of rubber on wet concrete is μs=0.7, the coefficient of kinetic friction of rubber on wet concrete is μk=0.5.
A concrete highway curve of radius 70.0 m is banked at a 19.0° angle. What is the maximum speed with which a 1900 kg rubber-tired car can take this curve without sliding? (Take the static coefficient of friction of rubber on concrete to be 1.0.)
A concrete highway curve of radius 80.0 m is banked at a 19.0 ∘ angle. Part A What is the maximum speed with which a 1400 kg rubber-tired car can take this curve without sliding? (Take the static coefficient of friction of rubber on concrete to be 1.0.)