- #1
lilpoopoo
- 6
- 0
Homework Statement
"Three identical charges, each with charge 'Q' and a mass 'm', are arranged on the corners of an equilateral triangle of side length 'L'. The spheres are released simultaneously. What is the speed of each charge when they are very far apart?
Homework Equations
F = [(kq1q2)/r2] * r^
F = ma
The Attempt at a Solution
Since all of the charges are the same, and they are equidistant from one another, then the force on each should be identical.
I calculated the force on one charge (A) from the other two (B & C).
Therefore:
Fon A = (kQ2(root 3/4 L2))/L3
or (kQ2sin(60))/L2
So for each individual charge, the force on A should be the same, as above, for B & C.
My issue is that I can't figure out how to calculate the velocity from this...
Or am I going completely in the wrong direction?
Edit: Forgive my equations, I haven't figured out how to make them nice. It's my first post.