A BO 2m Thereisachargeof -6 Cattheorigin.Someelectricfieldlinesforthischargeareshown.Tosimplify themath,use k =9•10° N•m²/c². 1. Youmoveachargeof+3Cfrom wasdonebytheelectricfield?(c)Byhowmuchhasthepotentialenergyofthemovedcharge changed? A to B( a)Howmuchworkdidyoudo?(b)Howmuchwork 4/9 2. Youmoveachargeof -3 Cfrom A to B.( a)Howmuchworkdidyoudo?(b)Howmuchwork wasdonebytheelectricfield?(c)Byhowmuchhasthepotentialenergyofthemovedcharge changed? 3. Youmoveachargeof -3 Cfrom B to C alongthedottedline.(a)Howmuchworkdidyoudo? (b)Howmuchworkwasdonebytheelectricfield?(c)Byhowmuchhasthepotentialenergy ofthemovedchargechanged? 4. Youmoveachargeof -3 Cfrom C to B butdeviatefromthedottedline.(a)Howmuchwork didyoudo?(b)Howmuchworkwasdonebytheelectricfield?(c)Byhowmuchhasthe potentialenergyofthemovedchargechanged?

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