A cylinder has inner and outer radii of #9 cm# and #11 cm#, respectively, and a mass of #9 kg#. If the cylinder's frequency of counterclockwise rotation about its center changes from #5 Hz# to #7 Hz#, by how much does its angular momentum change?
1 Answer
Apr 4, 2017
The change in angular momentum is
Explanation:
The angular momentum is
where
Mass,
For a cylinder,
So,
The change in angular momentum is
The change in angular velocity is
The change in angular momentum is