a Determine the electrostatic potential energy of a system

Last updated: 6/24/2023

a Determine the electrostatic potential energy of a system isting of two charges 7 C and 2 C and with no external field placed at 9 cm 0 0 and 9 cm 0 0 respectively b How much work is required to separate the two charges infinitely away from each other c Suppose that the same system of charges is now placed in an external electric field E A 1 r A 9 x 105 C m2 What would the electrostatic energy of the configuration be Solution 1992 9x10 x 4TE T b W U U 0 U 0 0 7 0 7 J c The mutual interaction energy of the two charges remains unchanged In addition there is the energy of interaction of the two charges with the external electric field We find q V q V 1 A and the net electrostatic a U 7 2 10 2 0 18 7 C 0 09m A 2 C 0 09m Scanned by TapScanner energy is ZUC 0 7 J RUC