( ( Find ( ( the ( total ( potential energy ) ) ) ( ( stored ( in ( the capacitors ) ) ) ( after ( they ( have ( ( reached equilibrium ) ( -LRB- ( ( ( ( ( voltages ( are ( ( ( equal and ) lower ) ( than ( initial voltage ) ) ) ) ) , ) but ) ( ( the ( total charge ) ) ( is ( the same ) ) ) ) -RRB- ) ) ) ) ) ) ) ) ) . )
(ROOT (S (VP (VB Find) (NP (NP (DT the) (JJ total) (JJ potential) (NN energy)) (VP (VBN stored) (PP (IN in) (NP (DT the) (NNS capacitors))) (SBAR (IN after) (S (NP (PRP they)) (VP (VBP have) (VP (VBN reached) (NP (NN equilibrium)) (PRN (-LRB- -LRB-) (S (S (NP (NNS voltages)) (VP (VBP are) (ADJP (ADJP (JJ equal) (CC and) (JJR lower)) (PP (IN than) (NP (JJ initial) (NN voltage)))))) (, ,) (CC but) (S (NP (DT the) (JJ total) (NN charge)) (VP (VBZ is) (NP (DT the) (JJ same))))) (-RRB- -RRB-))))))))) (. .)))
Find the total potential energy stored in the capacitors after they have reached equilibrium (voltages are equal and lower than initial voltage, but the total charge is the same).
(ROOT (S (NP (NNP Voltage)) (VP (VP (VBZ is) (RB not) (NP (NP (DT the) (JJ same)) (PP (IN as) (NP (NN energy))))) (, ,) (CC but) (VP (VBZ means) (NP (NP (DT the) (NN energy)) (PP (IN per) (NP (NN unit) (NN charge)))))) (. .)))