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23-12-2022
Physics

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An alpha particle (a), which is the same as a helium-4 nucleus, is momentarily at rest in a region of space occupied by an electric field. The particle then begins to move. Find the speed of the alpha particle after it has moved through a potential difference of -3.45x10^-3 V The charge and the mass of an alpha particle are ga 3.20x10^-19 C and ma = 6.68x10^-27 kg, respectively.
what is the value of the change in potential energy, δu=uf−ui, of the alpha particle?

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