A small sphere with a mass of 3.00103 and carrying a charge of 5.20108 hangs from a thread near a very large, charged insulating sheet, as shown in…

A small sphere with a mass of 3.00×10−3 and carrying a charge of 5.20×10−8 hangs from a thread near a very large, charged insulating sheet, as shown in the figure . The charge density on the sheet is −2.50×10−9 .