Moving three points infinitely away

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SUMMARY

The discussion centers around the formula U=kqoq/r, where users seek clarification on the mathematical steps involved in applying this equation. Participants inquire about the squaring of distances and the reasoning behind the signs used in the calculations. The user confirms that their final answer aligns with the answer key, indicating a successful understanding of the topic. The conversation highlights the importance of peer review in verifying mathematical work.

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  • Understanding of electrostatics and the concept of potential energy.
  • Familiarity with the formula U=kqoq/r and its components.
  • Basic knowledge of mathematical operations, including squaring numbers.
  • Ability to interpret and analyze mathematical proofs and answer keys.
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  • Review the principles of electrostatics, focusing on potential energy calculations.
  • Study the derivation and applications of the formula U=kqoq/r in different contexts.
  • Learn about mathematical proofs and peer review processes in scientific discussions.
  • Explore common mistakes in mathematical calculations and how to avoid them.
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Students in physics, educators teaching electrostatics, and anyone involved in mathematical problem-solving and peer review processes.

phunphysics2
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U=kqoq/r ?

Please look at the attachments. I was wondering if someone could please check my work. That is all.

work.png


howmuchwork.png



Thank you for your time!
 
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phunphysics2 said:
U=kqoq/r ?

Please look at the attachments. I was wondering if someone could please check my work. That is all.

View attachment 55488

View attachment 55489

Thank you for your time!
Why did you square the distances?

How did you come up with the signs?
 
Sorry about the squaring in thr pic. I erased them after I took the pic.
I checked with the answer key and my answer matched.
Thank you for your time and rapid response! :)
 

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