[Theor. Astro. 31/10/2022] 5: relativistic mechanics, variational approach

- conjugate momentum of a free particle
- Hamiltonian of a free particle
- equation of motion via Euler-Lagrange eq.s
- equation of motion via Least Action princple
- massless particles and photons
- 4-frequency of photons
- transformation of the 4-frequncy (Doppler effect and aberration of light)

Видео [Theor. Astro. 31/10/2022] 5: relativistic mechanics, variational approach канала Lectures in Physics