Recent content by DrKrunklehorn

Homework Statement Hello! I'm working on my final project for a programming class. Currently I can successfully detect 2D collision between a ball, and a line that can rotate in any direction. However when the ball hits the line I need to change it's velocity so it bounces in the right...

Thanks for the help! I understand completely now.

Oh I completely agree with him and appreciate the help immensely...I just don't see why I'm getting such a mangled answer. Did I rearrange the equation wrong?

Oh I see! Fe pushes the spheres to the side while Fg pushes them down to the ground. Tan = Opp / Adj so my equation should be: Tan15 Fg = Fe \frac{Tan15mgr^2}{2k} = q Awww too bad it's actually wrong. I am getting 7.03x10^-15 as an answer.

Homework Statement Two identical, small spheres of mass 2.0g are fastened to the ends of a 0.6m long light, flexible, insulating fishline. The fishline is suspended by a hook in the ceiling at it's exact center. The spheres are each given the same electric charge. They are in static...