# A cylinder has inner and outer radii of #2 cm# and #3 cm#, respectively, and a mass of #1 kg#. If the cylinder's frequency of counterclockwise rotation about its center changes from #10 Hz# to #15 Hz#, by how much does its angular momentum change?

##### 1 Answer

Write your answer here...

Start with a one sentence answer

Then teach the underlying concepts

Don't copy without citing sources

preview

?

#### Answer

Write a one sentence answer...

#### Answer:

#### Explanation

Explain in detail...

#### Explanation:

I want someone to double check my answer

Narad T.
Share

Apr 24, 2018

#### Answer:

The change in angular momentum is

#### Explanation:

The angular momentum is

where

and

The mass of the cylinder is

The radii of the cylinder are

For the cylinder, the moment of inertia is

So,

The change in angular velocity is

The change in angular momentum is

Was this helpful? Let the contributor know!

Describe your changes (optional) 200