Lesson: Rotational Kinetic Energy
In this lesson, we will learn how to calculate the rotational kinetic energy of an object from its moment of inertia and other kinematic properties.
Sample Question Videos
Worksheet: 13 Questions • 2 Videos
A neutron star of mass kg and radius 10.0 km rotates with a period of 0.02000 seconds. What is its rotational kinetic energy?
What is the moment of inertia of the system?
What is the system’s rotational kinetic energy?
What magnitude of work would be required to bring the hoop to rest?
The hoop starts to roll upward along a surface inclined at above the horizontal. How far along the incline will the hoop be displaced before coming instantaneously to rest?