Safe Speed for Icy Curve: 130m Radius, 2.7 Banking

[JJones_86]

Homework Statement

A curve in a highway has radius of curvature 130 m and is banked at 2.7. On a day when the road is icy, what is the safest speed to go around the curve?

Homework Equations

The Attempt at a Solution

--------------------------------------

It seems I would have to know the friction coefficient of rubber on ice, does anyone know where I can find this? Thanks!

 

[JJones_86]

Nevermind, I've figured it out.