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: Motion of Charged Particles in Electric Fields

  1. Apr 12, 2007 #1
    1. The problem statement, all variables and given/known data
    3. Two electrons are fired at 3.5 x 10^6 m/s directly at each other.
    a)Calculate the smallest possible between the two electrons.

    2. Relevant equations
    Ek= 1/2mv^2
    Ee= kq1q2/r

    3. The attempt at a solution
    I made the Ek and the Ee equal, but i keep on getting the wrong answer. Can someone please help me?
  2. jcsd
  3. Apr 12, 2007 #2


    User Avatar
    Science Advisor
    Homework Helper
    Gold Member

    What does Ek represent physically? (what is m? v?)
  4. Apr 12, 2007 #3


    User Avatar
    Science Advisor
    Gold Member

    Please show us your work so we can point out where the error is.
Share this great discussion with others via Reddit, Google+, Twitter, or Facebook