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## Homework Statement

In a certain carnival ride, visitors enter a circular room with radius r=9.1m. The room then begins spinning around its center, reaching an angular speed of 1.7rad/s. What centripetal acceleration do the riders experience?

## Homework Equations

ac= v^2/r

## The Attempt at a Solution

I believed that ac= v^2/r which would equal .3175824176 or .32 m/s^2

but the answer is 26 m/s^2 and the explanation is Centripetal acceleration is given by ac=rω2. WHY?

but the answer is 26 m/s^2 and the explanation is Centripetal acceleration is given by ac=rω2. WHY?