Angle Between Charged Particles in Equilibrium

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Homework Help Overview

The problem involves four charged particles in equilibrium and seeks to determine the angle between any two consecutive particles relative to a common suspension point. The subject area includes electrostatics and geometric considerations in physics.

Discussion Character

  • Exploratory, Conceptual clarification, Problem interpretation

Approaches and Questions Raised

  • Participants express confusion regarding the inclusion of gravitational effects and the physical setup of the problem. There are suggestions about the arrangement of the particles, with references to atomic models and geometric shapes like tetrahedrons. Questions arise about the specific definition of the angle being asked.

Discussion Status

The discussion is ongoing, with participants exploring different interpretations of the problem. Some have proposed potential angles based on geometric reasoning, while others are seeking clarification on the setup and assumptions involved.

Contextual Notes

Participants are questioning whether gravity should be considered and if the particles can move above the suspension point. There is also uncertainty about the specific angle being referenced in the problem.

chaoseverlasting
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Homework Statement


Four charged particles are hung from the same position. At equilibrium, what will the angle between any two consecutive particles be (wrt common position)?


The Attempt at a Solution



I don't really get the question. Am I supposed to consider gravity as well? Can the particles go above the point of suspension? This question confuses me.
 
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I think it MAY be trying to get to the atomic model. Like, they'll try to be as far apart as possible. However, since they're hung together, it's like the nucleus holding the electrons together... And 4 charged particles... all of the same charge?

Otherwise, the tetrahedral shape... So like, 60degrees? Which angle is the angle between two consecutive particles? Confused.
 
If you imagine a string from one of the particles to the common point, then there are four such strings. The angle between consecutive strings is what's been asked. As for the tetrahedron, the angle is 109'28".
 
Help! Somebody?
 

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