A solid disk, spinning counter-clockwise, has a mass of 4 kg and a radius of 3 m. If a point on the edge of the disk is moving at 1/2 m/s in the direction perpendicular to the disk's radius, what is the disk's angular momentum and velocity?
1 Answer
Apr 2, 2018
The angular momentum is
Explanation:
The angular velocity is
where,
So,
The angular velocity is
The angular momentum is
where
For a solid disc,
The mass is
So,
The angular momentum is