Recent content by pedromatias

So, I am able to calculate the electric potential in another way but I know that this way is supposed to work as well, but I don't get the correct result. I calculated the electric field at P in the previous exercise and its absolute value is $$ E = \frac {k Q} {D^2-0.25*l^2} $$ This is...

I know this question has been asked here a lot of times, and sorry for repeating it, but I guess every case is different and even though I got some valuable insights from other threads, I think a personalised one might help. I'm 15 and I live in Europe. I'm good at math and physics and I...

So a few nights ago I was on 9gag and stumbled upon this post: http://9gag.com/gag/abq50dE#comment I would really like to know the answer so if someone knows it please post it. Thanks in advance