A cylinder has inner and outer radii of 8 cm and 15 cm, respectively, and a mass of 1 kg. If the cylinder's frequency of counterclockwise rotation about its center changes from 15 Hz to 12 Hz, by how much does its angular momentum change?
1 Answer
Jul 4, 2018
The change in angular momentum is
Explanation:
The angular momentum is
where
For a cylinder ,
The mass of the cylinder is
The radii are
So, the moment of inertia is
The change in angular velocity is
The change in angular momentum is