Tag: a large 3.0-kg disk of radius 0.60 m. What is rotational inertia of the wheel?

A pencil sharpener takes 1.4 seconds to go from its maximum speed of 8π rad/s to rest. How many rotations will the pencil sharpener make before it stops? Starting from rest. A DVD takes 0.2 seconds to get its maximum rotational velocity of 14π r radiant per second. What is the angular acceleration of the DVD? Jordan…