- #1

ajmCane22

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## Homework Statement

A 600 kg car is going around a banked curve with a radius of 110m at a speed of 24.5 m/s. What is the appropriate banking angle so that the car stays on its path without the assistance of friction?

## Homework Equations

N cos{theta} = mg

N sin{theta} = mv^2/r

## The Attempt at a Solution

I was told to divide the second equation by the first equation which gives tan{theta} = v^2/rg

I used this equation and got the right answer, but I'm just wondering if somebody could please explain WHY the second equation was divided by the first and not the other way around.