A solid disk, spinning counter-clockwise, has a mass of #2 kg# and a radius of #5/2 m#. If a point on the edge of the disk is moving at #15/4 m/s# in the direction perpendicular to the disk's radius, what is the disk's angular momentum and velocity?
1 Answer
Angular momentum
Angular velocity
Explanation:
For any object which is rotating about an axis, each point located on the object has the same angular velocity
#omega=v/r#
Inserting given values we get
The angular momentum
#L = Ixxω#
where#I# is the moment of inertia of a solid disc and is given as#1/2Mr^2# .#M# being mass of disc.
If we substitute the value of
Inserting given values