Physics

Key Equations

PhysicsKey Equations

10.1Postulates of Special Relativity

 speed of light $v=λf v=λf$ constant value for the speed of light

10.2Consequences of Special Relativity

 elapsed time $Δt=γΔ t 0 Δt=γΔ t 0$ relativistic factor $γ= 1 1− u 2 c 2 γ= 1 1− u 2 c 2$ length contraction $L= L 0 γ L= L 0 γ$ relativistic momentum $p=γmu p=γmu$ relativistic energy $E=γm c 2 E=γm c 2$ rest energy $E 0 =m c 2 E 0 =m c 2$