Post-collision angular speed

Definition

The post-collision angular speed refers to the rotational speed of an object after a collision or interaction with another object. It describes how fast an object is rotating after the collision has occurred.

Analogy

Imagine two spinning tops colliding with each other. After the collision, the post-collision angular speed is the rate at which each top continues to spin.

Related terms

Angular momentum: Angular momentum is a property of rotating objects that depends on both their mass and their rotational speed.

Conservation of angular momentum: This principle states that in the absence of external torques, the total angular momentum of a system remains constant before and after a collision.

Rotational kinetic energy: Rotational kinetic energy refers to the energy possessed by an object due to its rotation. It depends on both its moment of inertia and its angular velocity.