# A solid disk, spinning counter-clockwise, has a mass of #7 kg# and a radius of #5/2 m#. If a point on the edge of the disk is moving at #6/5 m/s# in the direction perpendicular to the disk's radius, what is the disk's angular momentum and velocity?

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Narad T.
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Feb 22, 2018

#### Answer:

The angular momentum is

#### Explanation:

The angular velocity is

where,

So,

The angular velocity is positive (spinning counter clockwise)

The angular momentum is

where

For a solid disc,

The mass is

So,

The angular momentum is

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