A particle (charge = 50 ?C) moves in a region where the only force on it is an electric force. As the particle moves 25 cm from point A to point B, its kinetic energy increases by 1.5 mJ. Determine the electric potential difference, VB?VA.
A. ?50 V
B. ?40 V
C. ?30 V
D. ?60 V
E. +15 V
Answer: C
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