# A solid disk, spinning counter-clockwise, has a mass of #3 kg# and a radius of #8/5 m#. If a point on the edge of the disk is moving at #7/4 m/s# in the direction perpendicular to the disk's radius, what is the disk's angular momentum and velocity?

##### 1 Answer

Feb 27, 2017

The angular momentum is

The angular velocity is

#### Explanation:

The angular velocity is

where,

So,

The angular momentum is

where

For a solid disc,

So,