Galactic Dynamic Homework (Problem 2.1 of B&T)

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SUMMARY

The discussion centers on the condition "limρr^5/2=0" in Problem 2.1 of B&T, which is essential for preventing infinities in the potential energy (PE) calculations. This condition is stricter than merely preventing infinities in mass, emphasizing its critical role in ensuring the mathematical stability of the model. Participants highlight the importance of this condition in maintaining the integrity of physical simulations.

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  • Understanding of potential energy in physics
  • Familiarity with limits and mathematical analysis
  • Knowledge of the B&T textbook and its context
  • Basic concepts of density functions in astrophysics
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Chamarel Elna
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TL;DR Summary: Why the topic give the condition "limρr^5/2=0“?What is the usefulness of this condition? Thanks!

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You are trying to prevent infinities from popping up in the PE. This is more strict than trying to prevent infinities from popping up in the mass.
 

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