kmarks Develop -Window Help Jump to.. /2018 11:59 PM 33.3/100 Sapling Learning T

Question

kmarks Develop -Window Help Jump to.. /2018 11:59 PM 33.3/100 Sapling Learning The dagram tn the right shows several points, latesied | poential E pok t to each t, measured with respect to point A Varleus amounts of positive and rnegarive charge are alus, deermine the net change in the auctrc potential energy of each as it is moved ong the path indicated no v s v) +1 couwomb maved from A to B +2 coulombs moved from D to C 1 coulomb mowed from E o G 3 coulombs movnd from to F 2 coulombs moved from C to A to E -2coutebs moved torn a toA: 4 coulombs moved from E to F 3 coulombs moved from A to G: 1 coulomb moved from B in G lo F 4,

Explanation / Answer

formula for potential enegy is

U = q del V

U = 1C ( 5V- 0V) = 5J

U_DC = 2C( 8-10) = -4J

U_EG= 1C( -3-7) = -10J

U_BF = 3C( 5V- 5V = 0

UCA to AE = 2C( 7V- 8V) = -2J

U_BC = -1C ( 8V- 5V) = -3J

U_GA= -2C( 0-(-3) = -6J

U_EF = -4(5-7) = 8 J

U_AG = -3( -3-0)= 9 J

U_BG to GF = -1 (-3-5) + -1 ( 5-(-3)) = 0J

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