- #1

- 97

- 0

## Homework Statement

A disk rotates with constant angular acceleration. The initial angular speed of the disk is 2π rad/s. After the disk rotates through 1π radians, the angular speed is 14π rad/s. What is the magnitude of the angular acceleration?

## Homework Equations

w=w0+at

## The Attempt at a Solution

I tried to use w=w0+at but that didn't work. What equation do I need to use?