Homework Statement
http://www.brainmass.com/homework-help/physics/electromagnetic-theory/98519
That site has the diagram of the Lab and distances.
Rg-r=sqrt 3.7092 + .5332 = 3.75
Fg-r= K(q1)(q2)/Rg-r2= (8.99x109)(1x10-5)(1x10-5)/3.752 = .064
angle 1 = tan-1(.533/3.709) = 8.18 degrees...