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**[SOLVED] just a problem that I'm stuck on..**

**1. Homework Statement**

A car travels around a curve with a radius 55.0 m at a speed of 20.0 m/s. At what angle must the curve be banked so that the car does not have to rely on friction to remain on the road?

**2. Homework Equations**

tan[theta] = FC/FG

tan[theta] = v^2/rg

**3. The Attempt at a Solution**

there is no solution..I'm confused..

I tried rotating the equation on a different but rather same question..and I can't figure it out..

when got the answer, i tried transposing tan to the other side..it got me more confused..