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  1. Learn About the Speed of Light and Galilean Relativity

    Dec 22, 2015 · Taking special relativity into account, we can apply relativistic velocity addition to find that the two beams differ in speed by a factor times the speed of the water (n is the index …

  2. What is relativistic mass and why it is not used much?

    Aug 9, 2015 · The concept of relativistic mass In special relativity, the expressions for the total energy and momentum of an object can be written as where and is the invariant mass (or rest …

  3. Addition of Velocities (Velocity Composition) in Special Relativity

    May 20, 2024 · The “Addition of Velocities” formula (more correctly, the “Composition of Velocities” formula) in Special Relativity v A C c = v A B c + v B C c 1 + v A B c v B C c is a …

  4. What Are Tensors and Why Are They Used in Relativity?

    Jan 11, 2023 · If you try learning general relativity, and sometimes special relativity, on your own, you will undoubtedly run into tensors. This article will outline what tensors are and why they …

  5. Special and General Relativity Forum - Physics Forums

    Dec 31, 2007 · Join in expert discussion on special and general relativity discussion. Relativity is the dependence of various physical phenomena on relative motion of the observer and the …

  6. Learn Relativity Using the Bondi K-calculus - Physics Forums

    Apr 10, 2017 · Although Special Relativity was formulated by Einstein (1905), and given a spacetime interpretation by Minkowski (1908) [which helped make special relativity more …

  7. List of Special Relativity Paradoxes. - Physics Forums

    Oct 22, 2012 · Here's a catalogue of paradoxes in Special Relativity, for convenience sake. If I've missed out any, do notify me. Ladder Paradox: A ladder enters a barn. In the barn's frame the …

  8. Learning about SR (for beginners) - Physics Forums

    Apr 3, 2021 · What, in your opinion, is the best book about special relativity? (For beginners)

  9. At what age is special relativity taught? • Physics Forums

    Feb 11, 2025 · This is a question to school teachers (and all those who know about physics syllabus at school). Is relativity (special and or general) taught in school...

  10. Best books for special relativity? - Physics Forums

    Nov 8, 2018 · Hello everyone, I'm studying physics as an undergraduate and I'm currently taking the course special relativity. But sadly I'm not too big a fan of the book we are using for the …