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Energy-Momentum in Different Frames: Instructor's Guide

Main Ideas

  • Converting energy-momentum from one reference frame to another.
  • Certain combinations (mass) are invariant.

Students' Task

Estimated Time: 30 minutes, including wrap-up

Students should be asked to complete the table on the Handout.

Prerequisite Knowledge

  • basic understanding of relativistic mechanics.



  • Ask several students to present/defend their responses.
  • Demonstrate how the table can be completed using hyperbola triangle trig.

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