Recent content by vtran0703

It's been quite a while since I saw these problem. To be honest, I wasn't good with them back then either, but I'll try, any help would be great

My brother asked me this question and i completely have no idea how to do cause it is a very long time. Can anyone help, or give me an idea on how to do A rectangular insulating sheet carrying a negative charge Q evenly distributed over its surface is formed into a cylinder, producing a...