Homework Help: physics

Posted by Natasha on Tuesday, July 3, 2012 at 11:25pm.

A moving particle encounters an external electric field that decreases its kinetic energy from 9100 eV to 6630 eV as the particle moves from position A to position B. The electric potential at A is -59.5 V, and the electric potential at B is +26.1 V. Determine the charge of the particle.

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