16:47
Relative Velocity - Basic Introduction
9:26
4.3 Reference Frames
38:23
Newton's Law of Motion - First, Second & Third - Physics
15:57
Boat Crossing a River Problems
8:04
Si tu es un étudiant paresseux mais ambitieux, regarde cette vidéo s'il te plaît.
32:26
This Toy Carved The Nicest Table I've Ever Made.
33:01
The Man Who Almost Broke Math (And Himself...)
20:34