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Electrical Potential of two point charges

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Magnitude of Electrical Potential. See attached file for full problem description.

23. An alpha particle, starting from rest, acquired a speed of 1.38 x 10^5 m/s whiles moving through an electric potential difference.
a. The magnitude of the electric potential was
b. the final energy of the alpha particle, in electron volts, was

22. A charge of 5.0 nC is placed at the origin and another charge of -9.4 nC is placed at x = 26.0 cm.
a. where on the x-axis is the resulting electric potential is equal to zero volts

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It calculates the resulting electric potential of two point charges. It also investigates the movement of an alpha particle through an electric potential difference. The solution is detailed and was rated '5/5' by the student who posted the questions.

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