question archive 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
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
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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?
Express your answer in joules using three significant figures.
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