Electric Field strength between 3 charges and directions

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Homework Help Overview

The discussion revolves around calculating the net electric force on three point charges arranged in a straight line, with specific values and distances provided. The subject area is electrostatics, focusing on electric fields and forces between charges.

Discussion Character

  • Exploratory, Conceptual clarification, Mathematical reasoning

Approaches and Questions Raised

  • Participants discuss the need for equations related to electric fields and forces, with some expressing uncertainty about how to apply vector concepts. Questions about the necessary expressions for electric field strength and voltage are raised.

Discussion Status

There is an ongoing exploration of relevant equations and concepts, with some participants seeking clarification on how to proceed. Guidance has been offered regarding the need for expressions that include both magnitude and direction of the electric field.

Contextual Notes

Some participants indicate a lack of confidence in their understanding of electricity, which may affect their ability to engage with the problem fully. There is also a reference to external resources for further information.

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Homework Statement


Three point charges lie along a straight line as shown in the figure below, where
q1 = 6.36 µC, q2 = 1.57 µC and q3 = −1.82 µC.
The separation distances are d1 = 3.00 cm and d2 = 2.00 cm.
Calculate the magnitude and direction of the net electric force on each of the charges.

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Homework Equations





The Attempt at a Solution


I think I have to use vectors but I don't know how...
 
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Well, what equations do you have at hand to tackle this problem ?
 
BvU said:
Well, what equations do you have at hand to tackle this problem ?

I'm not very good with electricity...

F = Eq
E = -(dv/dx)
 
So you still need an expression for either V or ##\vec E##, right ?
 
I have been stuck on this question making no progress. Please help me go somewhere...
 

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