Question: An alpha particle (charge + 2e) moves through a potential difference V = 0.50 kV. Its initial kinetic energy is 1.20 1016 J.

An alpha particle (charge + 2e) moves through a potential difference ΔV = − 0.50 kV. Its initial kinetic energy is 1.20 × 10−16 J. What is its final kinetic energy?

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