A uniform-density 6 kg disk of radius 0.3m is mounted on a nearly frictionless axle. Initially it is not spinning. A string is wrapped tightly around the disk, and you pull on the string with a...

A uniform-density 6 kg disk of radius 0.3m is mounted on a nearly frictionless axle. Initially it is not spinning. A string is

wrapped tightly around the disk, and you pull on the string with a constant force of 25 N through a distance of 0.6 m. Now

what is the angular speed?