Relativistic Velocity Addition

Due to the requirement of the Lorentz transformations that the speed of light be constant, relativistic velocities cannot be simply added together by laws of vector algebra. Instead, a composition law for velocities is used to determine the combined velocity.

Links:

1. Wikipedia — Velocity-addition formula — Standard configuration

Contents:

• Relativistic sum of velocities
  • body_speed_in_lab_frame
  • body_speed_in_proper_frame
  • proper_frame_speed_in_lab_frame
  • law
• Relativistic velocity normal to movement
  • normal_velocity_in_lab_frame
  • velocity_in_proper_frame
  • proper_frame_velocity
  • law
• Relativistic velocity tangential to movement
  • tangential_velocity_in_lab_frame
  • velocity_in_proper_frame
  • proper_frame_velocity
  • law