A cylinder has inner and outer radii of #16 cm# and #21 cm#, respectively, and a mass of #3 kg#. If the cylinder's frequency of rotation about its center changes from #4 Hz# to #9 Hz#, by how much does its angular momentum change?
1 Answer
Apr 7, 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