A cylinder has inner and outer radii of #2 cm# and #5 cm#, respectively, and a mass of #8 kg#. If the cylinder's frequency of counterclockwise rotation about its center changes from #6 Hz# to #4 Hz#, by how much does its angular momentum change?
1 Answer
May 5, 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