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## Homework Statement

A speed skater increases his speed from 10 m/s to 12.5 m/s over a period of 3 seconds while coming out of a curve of 20 m radius.

a. What is the magnitude of his angular velocity as he leaves the curve? Be sure to include proper units for your answer.

b. What is his average linear acceleration during this curve?

## Homework Equations

ω=Δθ/Δt

v

_{t}=rω

## The Attempt at a Solution

I am not sure how to start this problem because there is not a given angle. I am wondering if there is a different way to solve for angular velocity or if there is a way to calculate the angle based on the given information.

Thank you in advance.