Two charges, and are a distance apart. These two charges are free to move but do not
Chapter 16, Problem 16.18(choose chapter or problem)
Two charges, and are a distance apart. These two charges are free to move but do not because there is a third (fixed) charge nearby. What must be the magnitude of the third charge and its placement in order for the first two to be in equilibrium?
Unfortunately, we don't have that question answered yet. But you can get it answered in just 5 hours by Logging in or Becoming a subscriber.
Becoming a subscriber
Or look for another answer