Angle Between Charged Particles in Equilibrium

AI Thread Summary
The discussion revolves around determining the angle between four charged particles in equilibrium, suspended from a common point. Participants express confusion about whether to consider gravity and the implications of the particles being of the same charge. The concept of maximizing distance between particles suggests a tetrahedral arrangement, leading to a proposed angle of approximately 60 degrees between consecutive particles. Clarification is sought on whether the angle refers to the angle between the strings connecting the particles to the suspension point. The conversation highlights the complexity of visualizing the arrangement and the need for further assistance in solving the problem.
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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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