Relativistic time dilation and length contraction

What this note covers

1. Foundations of special relativity and the role of reference frames
2. Time dilation: equation, derivation logic, and identification of proper time
3. Length contraction: equation and identification of proper length
4. Muon decay: the classic experimental confirmation
5. Solving multi-step quantitative problems: strategy and worked examples
6. The Lorentz factor table and relativistic limits
7. Symmetry, reciprocity, and the twin paradox

7 sections · 14 key terms & formulas · 6 common mistakes