A cylinder has inner and outer radii of 13 cm13cm and 15 cm15cm, respectively, and a mass of 6 kg6kg. If the cylinder's frequency of counterclockwise rotation about its center changes from 2 Hz2Hz to 3 Hz3Hz, by how much does its angular momentum change?
1 Answer
Jan 30, 2017
The answer is
Explanation:
The angular momentum is
where
The change in angular momentum is
For a cylinder,
So,