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## Homework Statement

A car of mass 1800 kg rounds a circular turn of radius 10 m. If the road is flat and the coefficient of static friction between the tires and the road is 0.40, how fast can the car travel without skidding?

## Homework Equations

## The Attempt at a Solution

I thought to do Fnet(c) = (mv^2)/r

Fn-mg= (mv^2)/r

but i thought that for max speed without going off road is when Fn=0

so it would just be mg= (mv^2)/r

then v=radical gr

which gave me v=9.998 m/s

Was wrong...I dont know what else to do and how to include friction. Any good help will be greatly appreciated. --awe.g