A cylinder has inner and outer radii of 2 cm and 12 cm, respectively, and a mass of 2 kg. If the cylinder's frequency of counterclockwise rotation about its center changes from 24 Hz to 12 Hz, by how much does its angular momentum change?
1 Answer
May 2, 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