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## Homework Statement

A car travels over a hump in the road of radius 20 meters. How fast is the car traveling if the occupants feel a net acceleration of 3.8 m/s

^{2}

## Homework Equations

a = v

^{2}/r

v = √ar

## The Attempt at a Solution

I did this but according to my teacher this isn't correct.

v = √(3.8 m/s

^{2})(20 m)

v = 8.718 m/s