This physics video tutorial provides a basic introduction into the coefficient of restitution which equals zero for completely inelastic collisions and equals 1 for perfectly elastic collisions.
Intro to Impulse and Momentum:
https://www.youtube.com/watch?v=hODlmGK7pl8&t=3s
Inelastic Collisions:
https://www.youtube.com/watch?v=C1XuwHLacao
Elastic Collisions:
https://www.youtube.com/watch?v=CFbo_nBdBco
2D Momentum Problems:
https://www.youtube.com/watch?v=9YRgHikdcqs&t=1s
Momentum Test Review:
https://www.youtube.com/watch?v=FfaEbqmvKQA&t=4s
More Physics Videos:
https://www.video-tutor.net/
