Wouldn't o=E*E0 ? So i would just multiply o by 2*pi*r*L and I would be fine?
My professor adopted this online homework website from ilrn. IMHO, its horrible, because it will only accept the exact answer that was entered. No partial credit given at all because you don't even show your work...
I need help for the following problem:
Two alpha-particles (diameter 1.9 x 10^-19 m) are headed directly toward each other with equal speeds. Compute the minimum energy in electron volts each particle must have if they are to collide. What inital speed must each particle have?
For the...
Hi, I need help with a surface charge problem:
The cylindrical drum of a copy machine is 40 cm long and has a radius of 5 cm. If charge is uniformly distributed over the curved surface of the drum, and the electric field near the surface is 2 x 10^5 N/C, estimate the amount of charge on the...