## Center of Mass and Linear Momentum

- Center of Mass
- Lecture (21:01)
*Definition of the center-of-mass of a system of particles and how to calculate for a system of discrete objects and for a continuous mass distribution*

- Momentum & Impulse
- Lecture (11:33)
*Definitions of momentum and impulse, including a reformulation of Newton's Second Law*

- Conservation of Momentum
- Lecture (8:36)
*Explanation of the principle of momentum conservation, with examples of exploding soda cans*

- Collisions
- Lecture (6:23)
*Difference between elastic and inelastic collisions in terms of conservation of kinetic energy, and using momentum conservation to solve completely inelastic collisions*

- Elastic Collisions
- Lecture (22:31)
*Definition of the center-of-mass of a system of particles and how to calculate for a system of discrete objects and for a continuous mass distribution*

- Elastic Collisions in a Plane
- Lecture (9:02)
*Elastic collisions in two dimensions*

- Rocket Propulsion
- Lecture (18:20)
*Rocket propulsion as an example of momentum conservation for an object continually losing mass*