Electrostatic Force: Learn About Its Effects

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Homework Help Overview

The discussion revolves around the electrostatic force and its effects, as illustrated in a provided image. Participants are exploring the calculations related to forces between charged particles.

Discussion Character

  • Exploratory, Mathematical reasoning

Approaches and Questions Raised

  • Participants are attempting to calculate the forces between different charges using Coulomb's law. Some express uncertainty about their calculations and seek validation of their work.

Discussion Status

There is an ongoing exchange where participants are sharing their calculations and seeking clarification. Some have provided specific force calculations, while others are asking for help with understanding the next steps in their problem-solving process.

Contextual Notes

One participant has noted difficulty in reading the provided images, which may affect the clarity of the discussion. Additionally, there is a request for assistance that indicates a lack of confidence in the initial attempts.

jayryap
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electrostatic force!

Homework Statement




http://img10.imageshack.us/img10/3914/picture0117.jpg

Homework Equations





The Attempt at a Solution

 
Last edited by a moderator:
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Hi Jayryap,

Welcome to PF. Please show your attempt.
 


please help me ... i don't know what to do next...

am i correct with my work?

thank you very much!
 
Last edited:


I'm unable to read the pictures!
 


a)the forces between q1 and q3
F = k * (q1 * q3/d13^2)
k = (1/4πεo) = 9 * 10^9 Nm^2/C^2 and d13= 20 cm = 20 * 10^-2 m
F=-1.125N
b)the force between charges q1 and q3 is
F1 = k * (q1 * q3/d13^2)
= -1.125N
the force between charges q1 and q2 is
F2 = k * (q1 * q2/d12^2)
=3.5N
 

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