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: What is the mass of the sphere?

  1. Jun 27, 2013 #1
    1. The problem statement, all variables and given/known data
    Two large , horizontal charged plates are separated by 0.050m. A small plstic sphere is stationary and suspended between them and is experiencing an electric force of 4.5x10^-15 N.
    What is the mass of the sphere?


    My attempt.

    m=4.5x10^-15 N/9.8^2
  2. jcsd
  3. Jun 27, 2013 #2
    looks correct. But use 'g' instead of 'a' as sphere is at rest.
  4. Jun 27, 2013 #3


    User Avatar
    Homework Helper
    Gold Member

    Deleted post. I completely misread the problem. :blushing:
Share this great discussion with others via Reddit, Google+, Twitter, or Facebook

Have something to add?
Draft saved Draft deleted