A cylinder has inner and outer radii of #12 cm# and #15 cm#, respectively, and a mass of #6 kg#. If the cylinder's frequency of rotation about its center changes from #7 Hz# to #3 Hz#, by how much does its angular momentum change?
1 Answer
Mar 17, 2017
The angular momentum changes by
Explanation:
The angular momentum is
where
For a cylinder,
So,
The change in angular momentum is
The change in angular velocity is
The change in angular momentum is