Recent content by prof chaos

[PLAIN]http://dl.dropbox.com/u/11505247/IMG.jpg I know that the problem involves using the toque=rFsin(theta) equation, as well as trig to break up the x and y components, but I'm having a real hard time setting up the equations to solve part (D).

Sorry if I'm doing this wrong... first time poster. Homework Statement The diagram gives the relevant info. All three q's are equal point charges of m=0.10 kg. I'm trying to find the value of q. Homework Equations Coulombs law and basic trig. The Attempt at a Solution...