A cylinder has inner and outer radii of #2 cm# and #16 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
Feb 2, 2017
The answer is
Explanation:
The angular momentum is
where
The change in angular momentum is
For a cylinder,
So,