How Much Kinetic Energy Does a Proton Acquire Compared to an Electron?

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SUMMARY

The discussion centers on the kinetic energy (KE) acquired by an electron and a proton when moving through an electric field. An electron starting from rest acquires 6.3 keV of KE when moving from point A to point B. A proton, also starting from rest and moving from point B to point A, acquires the same amount of kinetic energy, 6.3 keV. This equivalence is due to both particles having the same charge, resulting in them experiencing the same force over the same distance, thus acquiring identical energy.

PREREQUISITES
  • Understanding of kinetic energy and its calculation
  • Familiarity with electric fields and forces
  • Basic knowledge of particle physics, specifically protons and electrons
  • Concept of charge and its effect on particle motion
NEXT STEPS
  • Study the principles of kinetic energy in electric fields
  • Learn about the relationship between mass, velocity, and kinetic energy
  • Explore the behavior of charged particles in electric fields
  • Investigate the differences in mass and charge between protons and electrons
USEFUL FOR

Students and professionals in physics, particularly those studying electromagnetism and particle dynamics, will benefit from this discussion.

leolaw
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An electron starting from rest acquires 6.3keV of KE in moving from point A to point B. How much KE would a proton acquire, starting from rest at B and moving to point A?

The answer is 6.3keV. I don't understand why they have the same kinetic energy. Is it becasue proton has more mass and less velocity? :bugeye:
 
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leolaw said:
An electron starting from rest acquires 6.3keV of KE in moving from point A to point B. How much KE would a proton acquire, starting from rest at B and moving to point A?

The answer is 6.3keV. I don't understand why they have the same kinetic energy. Is it becasue proton has more mass and less velocity? :bugeye:
I will assume from the question that the electron acquires its energy by being placed in an electric field.

The reason they have the same energy is because they have the same charge. They experience the same force over the same distance so they acquire the same energy.

AM
 
Hey,mister,why do you double post...?

Daniel.
 

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