Mass-energy equivalence where's the arbitrary constant?

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SUMMARY

The discussion centers on the mass-energy equivalence formula, e=mc², and addresses the misconception regarding the use of arbitrary constants. The consensus is that the formula does not require an arbitrary constant because it is essential to maintain consistent units throughout the equation. The clarity of this relationship is crucial for accurate scientific calculations and understanding of the principles of physics.

PREREQUISITES
  • Understanding of basic physics concepts, particularly mass and energy.
  • Familiarity with the units of measurement used in physics, such as joules and kilograms.
  • Knowledge of dimensional analysis to ensure unit consistency.
  • Basic grasp of Einstein's theory of relativity and its implications.
NEXT STEPS
  • Research the implications of mass-energy equivalence in modern physics.
  • Study dimensional analysis techniques for unit consistency in equations.
  • Explore advanced topics in Einstein's theory of relativity.
  • Learn about practical applications of e=mc² in nuclear physics and energy production.
USEFUL FOR

Students of physics, educators teaching relativity, and anyone interested in the foundational principles of energy and mass in scientific contexts.

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I'm curious about the famous formula, e=mc^2 . Since mass can be measured in any of several unit systems, shouldn't the formula read e\propto mc^2 ?

Thanks!
 
Last edited:
Physics news on Phys.org
No, you just need to keep the units consistent throughout the equation.
 

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