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Physics
Don Al's user avatar
Don Al's user avatar
Don Al's user avatar
Don Al
  • Member for 5 years, 1 month
  • Last seen this week
  • Reykajvik, Iceland
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About

I'm a physics enthusiast, and I am self teaching physics.

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22
Interpreting Christoffel Symbols as Fictitious Forces - General Relativity
Aug 8, 2023
question
6
What do we exactly mean when we say that a problem has an analytical solution?
May 2, 2021
question
6
What's wrong with this "proof" that all Hamiltonians are time independent?
Dec 20, 2021
question
5
How does it make physical sense to define mass in terms of magnitude of the 4-momentum?
Aug 29, 2022
answer
4
Are the classical hamiltonian and quantum hamiltonian different types of objects?
Feb 10, 2020
question
3
Why can't $U=b\mathbf{v} \cdot \mathbf{r}$ be considered a potential for the drag force ${\bf F}=-b {\bf v}$?
Aug 14, 2019
question
3
Equation of motion for a particle under a potential in special relativity
May 14, 2020
answer
3
Potential energy definition
Feb 26, 2022
question
3
Why is d'Alembert's principle not as applicable in physics as the principle of stationary action?
Mar 12, 2022
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3
Why are there no operators in classical mechanics?
Jul 16, 2020
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How can I properly learn the history of a country whose language I don't speak or read?
14
Why are Irish universities ranked so low and are relatively unknown internationally?