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## Homework Statement

What is the maximum speed with which a 1200 rubber-tired car can take around a banked curve with radius of 80.0 meters an angle of 19.0 degrees? (static friction coefficient is 1.0)

## Homework Equations

F

_{s}=mu*F(normal)

F

_{(netxdirection)}/m=acceleration

acceleration=velocity

^{2}/radius

## The Attempt at a Solution

I tried answering this problem several times and I failed at each; although I swear my first answer was correct (31.6 m/s). My professor's answer was 40.1 m/s and I have no idea how he got that.

Please help....