Acompletely ionized beryllium atom (net charge = +4e) is accelerated through a potential difference of 6.0 v. what is the increase in kinetic energy of the atom?

For the principle of conservation of energy, the increase in kinetic energy of the atom is equal to the energy lost when moving through the potential difference:

where q is the charge of the Beryllium atom:

and . Therefore, the increase in kinetic energy is

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