A cylinder has inner and outer radii of 2 cm2cm and 3 cm3cm, respectively, and a mass of 1 kg1kg. If the cylinder's frequency of counterclockwise rotation about its center changes from 10 Hz10Hz to 12 Hz12Hz, by how much does its angular momentum change?
1 Answer
Jun 19, 2017
The change in angular momentum is
Explanation:
The angular momentum is
where
The mass,
For a cylinder,
So,
The change in angular momentum is
The change in angular velocity is
The change in angular momentum is