Electric fields between point charges

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SUMMARY

The discussion centers on the conventions used in referencing angles in the context of electric fields between point charges. Participants emphasize the importance of stating the angle as "from the line AP" rather than "to the line AP," highlighting a common practice of measuring angles from the positive x-axis. This clarification is crucial for accurate communication in physics problems involving vector analysis of electric fields.

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  • Understanding of vector analysis in physics
  • Familiarity with electric fields and point charge interactions
  • Knowledge of trigonometric functions and angle measurement
  • Basic concepts of coordinate systems in physics
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  • Study vector addition and its application in electric field calculations
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Homework Statement
Question 2c: I've attempted the question, I've got the magnitude right but I got the angle wrong. I don't understand why the value of the components are swapped around.
Relevant Equations
Electric fields
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I’m guessing it’s just convention to reference the angle from the positive x-axis instead of the y-axis.

To nitpick your solution should say “angle from the line AP” not “to the line AP”
 
PhDeezNutz said:
I’m guessing it’s just convention to reference the angle from the positive x-axis instead of the y-axis.

To nitpick your solution should say “angle from the line AP” not “to the line AP”
PhDeezNutz said:
I’m guessing it’s just convention to reference the angle from the positive x-axis instead of the y-axis.

To nitpick your solution should say “angle from the line AP” not “to the line AP”
 

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PhDeezNutz said:
I’m guessing it’s just convention to reference the angle from the positive x-axis instead of the y-axis.

To nitpick your solution should say “angle from the line AP” not “to the line AP”
PhDeezNutz said:
I’m guessing it’s just convention to reference the angle from the positive x-axis instead of the y-axis.

To nitpick your solution should say “angle from the line AP” not “to the line AP”
 

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