33:41
Euler-Lagrange Equations for Beginners - Block on a Slope
Physics Ninja
36:45
Fermat's Principle: Finding the Minimum Time for Light to Travel
28:50
Introduction to the Principle of Stationary Action and the Derivation of the Euler-Lagrange Equation
47:35
The Brachistochrone Problem - Curve of Fastest Time
42:53
Tetherball Problem
