Nevermind I forgot the most stupidest thing to use vector geometry. Though I am still trying to figure out how to find the angle. Actually I am confused as to what angle they are asking to find.
Homework Statement
Three charges are arranged as shown in the figure.
Figure
(Attached Below Could not insert the image, wouldn't work for me)
Find the magnitude of the electrostatic force on the charge at the origin. Answer in units of nN. What is the angle theta betwen the...