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Introductory Physics Homework Help
Change in potential energy of the particle
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[QUOTE="zohaibtarar, post: 5512881, member: 598295"] [h2]Homework Statement [/h2] A particle with a charge of 2e moves between two points which have a potential difference of 75V. What is the change in potential energy of the particle? [h2]Homework Equations[/h2] U = (75 V)(2e) [h2]The Attempt at a Solution[/h2] [/B] When a particle with charge e moves through a potential difference of 1 volt, the change in potential energy is 1 eV. If the charge is some multiple of e—say Ne—the change in potential energy in electron volts is N times the potential difference in volts. Note: 1 eV = 1.602 x 10⁻¹⁹ J. Potential is potential energy per unit charge. We define the potential V at any point in an electric field as the potential energy U per unit charge associated with a test charge q₀ at that point: V = U/q₀ U = Vq₀ U = (75 V)(2e) U = 150 eV U = 150(1.602 x 10⁻¹⁹ J) U = 2.403×10⁻¹⁷ J Solution: U = 150 eV = 2.403×10⁻¹⁷ J[B][/B]just need to make sure if i did this correctly? or do i need todo anything else? Thank you [/QUOTE]
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Introductory Physics Homework Help
Change in potential energy of the particle
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