Recent content by fitzfool

Thank you very much. Can't believe I missed that 0 - a negative number is a positive number!

Hmm, thank you very much for the reply and all of the edits. They were very helpful. However, I wasn't even thinking of the unit vectors until you posted your last reply. Taking into consideration the unit vectors I'm getting, For the left side K ∫2x4 / x2 from -10 to 0 is K .2/3 x3...

Homework Statement Calculate the charge and electric field at the origin of non-uniform line of charge on the x-axis from -10cm to 10 cm on the x-axis. Where linear charge density is given by 2x^4 Homework Equations dq=lambda dx de=(k dq)/r^2 E=integral of (Kdq)/r^2 = k integral of (lambda...