Consider a strip of charged copper that runs vertically

Last updated: 6/20/2023

Consider a strip of charged copper that runs vertically upward from the floor to the ceiling There is a 1 m long string with one end attached to the middle of the strip and the other end attached to a 0 1 kg rubber ball with 1 x 10 6 C As you let the rubber ball hang you want the string to rest at an angle of 0 15 rad as measured from vertical How many C m must there be along the length of the copper strip