How Does Kinetic Energy Affect Electron and Proton Movement?

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SUMMARY

The discussion focuses on the kinetic energy (KE) acquired by an electron and a proton when moving between two points in an electric field. An electron starting from rest gains 5.4 keV of KE while moving from point A to point B. The participants explore how much KE a proton would acquire under similar conditions and seek to determine the ratio of their speeds at the end of their trajectories, emphasizing the need for clarity regarding the presence of an electric field affecting their movement.

PREREQUISITES
  • Understanding of kinetic energy equations, specifically KE = 0.5 * m * v^2.
  • Familiarity with the concepts of electric fields and their effects on charged particles.
  • Basic knowledge of particle physics, particularly the properties of electrons and protons.
  • Ability to calculate ratios and manipulate equations involving mass and velocity.
NEXT STEPS
  • Research the effects of electric fields on charged particles, focusing on electron and proton behavior.
  • Study the relationship between kinetic energy and velocity for different masses in particle physics.
  • Learn about the principles of energy conservation in electric fields.
  • Explore advanced topics in particle dynamics, including relativistic effects on high-speed particles.
USEFUL FOR

Students in physics, educators teaching particle dynamics, and anyone interested in the behavior of charged particles in electric fields.

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Homework Statement



An electron starting from rest acquires 5.4keV of KE moving from point A to point B.
1. How much KE would a proton acquire, starting from rest at B and moving to point B.
2. Determine the ratio of their speeds at the end of their respective trajectories.

Homework Equations



I am not for sure

The Attempt at a Solution



I am sorry I don't even have an attempt because I don't even know where to begin. I am so confused on this one.
 
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1. I don't think there is any difference in the amount of KE an electron would get from A to B, but you have to be more specific, is there an electric field somewhere along the path?

2. From the formula for KE, can you tell what are the respective speeds if they have the same KE?
 

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