- #1

- 5

- 0

If you have a worked equation of Coulomb's law and all known variables; Force, Distance between two objects and the charge in Coulomb's, how do you represent this in a graph? I've read that you do the inverse of R^2 which for me is 0.15 metres. I understand that as R increases, the Force decreases and as Force increases, R decreases. How do you represent this on a graph? I don't exactly know how to mathematically represent this as an equation.

Okay so let me give you an example of what I have.

F= 3.4425x10^-5

R= 0.2 so R^2 = 0.04

Q1 = 17x10^-9

Q2 = 9x10^-9

The R is the initial distance though, how do I calculate the distance it has moved due to the force being applied? F=MA?

Need to set the graph up like this by the way, but obviously with numbers.

http://www.aplusphysics.com/courses/regents/electricity/images/InverseSquareLaw.png