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(Solved): 1. An electric field does 2.13 103 eV of work on a carbon nucleus of charge 9.61 1019 C. ...
1. An electric field does 2.13 ✕ 103 eV of work on a carbon nucleus of charge 9.61 ✕ 10−19 C. Find the change in the nucleus' electric potential and electric potential energy in joules.
(a) change in electric potential (in V)
2. A tiny sphere of mass 8.80 mg and charge −2.80 nC is initially at a distance of 1.54 ????m from a fixed charge of +8.21 nC.
(b) If the 8.80-mg sphere is released from rest, find its speed when it is 0.500 ????m from the fixed charge.