1. Limited time only! Sign up for a free 30min personal tutor trial with Chegg Tutors
    Dismiss Notice
Dismiss Notice
Join Physics Forums Today!
The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

Homework Help: Coulomb Law

  1. Dec 2, 2013 #1
    1. The problem statement, all variables and given/known data

    Three charges are in a straight row. The first charge has a value of 5.00 x 10-5 C. The second charge also has a value of 5.00 x 10-5 C and is 2.50 cm to the right of the first charge. The third charge has a value of -2.50 x 10-5 C and is 2.00 cm to the right of the second charge.
    Find the net charge in the first, second and third charge
    2. Relevant equations


    3. The attempt at a solution

    Just wanted to check if I'm doing this right.
    For the first charge, I got -30444N , the second ; -7875N and the 3rd; 33681N.

  2. jcsd
  3. Dec 2, 2013 #2


    User Avatar
    Staff Emeritus
    Science Advisor
    Homework Helper
    Education Advisor

    I take it you meant net force.

    Show your work for at least one charge, and we can tell you if your method is correct.
Share this great discussion with others via Reddit, Google+, Twitter, or Facebook

Have something to add?
Draft saved Draft deleted