A moving particle encounters an external electric field
Chapter 19, Problem 19.157(choose chapter or problem)
A moving particle encounters an external electric field that decreases its kinetic energy from 9520 eV to 7060 eV as the particle moves from position A to position B. The electric potential at A is 55.0 V, and the electric potential at B is 27.0 V. Determine the charge of the particle. Include the algebraic sign ( or ) with your answer.
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