You can adjust the magnitude of each charge and the location of charge 1 by dragging it back and forth. The charges and distance measurements are recorded in the table when you press Store Result.
Charge 1: Q1 = +μC Charge 2: Q2 = +μC Spring: k = N/m
Results: r = m d = m
|r (m)||Q1 (μC)||Q2 (μC)||d (m)|
Requires a browser capable of Scalable Vector Graphics. Use Firefox, Chrome, or IE-9+. It's only been tested on Firefox, so YMMV on other browsers.
Written by: Jason Stark (http://jasonstark.com/) June 2012
Using jQuery SVG and EGrappler Smart spin