Rest Energy - Kinetic Energy

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SUMMARY

The total energy of a particle with a rest mass of 400 MeV/c² and a kinetic energy of 200 MeV is definitively 600 MeV. This is calculated using the equation E = E₀ + KE, where E₀ represents the rest energy and KE represents the kinetic energy. Starting from rest, adding 200 MeV of kinetic energy to the particle results in a total energy of 600 MeV, confirming that energy is indeed being added to the particle.

PREREQUISITES
  • Understanding of relativistic energy concepts
  • Familiarity with the equation E = mc²
  • Knowledge of kinetic energy calculations
  • Basic principles of particle physics
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  • Study the implications of relativistic mass increase
  • Explore the relationship between kinetic energy and momentum
  • Learn about the conservation of energy in particle interactions
  • Investigate the role of potential energy in particle dynamics
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Students and professionals in physics, particularly those focusing on particle physics, energy calculations, and relativistic mechanics.

orangepeelsnice
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We are giving a particle with mass 400 Mev/C2 and 200 MeV KE.

What is the Energy of the particle?

Is it 600 MeV or 200 MeV?
 
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orangepeelsnice said:
What is the Energy of the particle?

Consider what you would have to do to the particle, starting from rest (i.e., total energy equal to its rest energy of 400 MeV), to give it 200 MeV of kinetic energy. You would have to set it in motion. Would that be adding energy to the particle, or taking energy away from it?
 
the obvious answer is to say it the E = Eo+KE = 600 MeV, just making sure
 
orangepeelsnice said:
the obvious answer is to say it the E = Eo+KE = 600 MeV

Yes.
 

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