An electron with charge e and mass m is accelerated from rest through a potential V over a distance d. The electric field E in the region is constant. Which of the following expressions can be used to correctly calculate the speed v of the electron as it leaves region? eV = 1/2 mv2 eV = mv Ed = m2v2 v2 = 2Ee/d
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An electron with charge e and mass m is accelerated from rest through a potential V over a distance d. The electric field E in the region is constant. Which of the following expressions can be used to correctly calculate the speed v of the electron as it leaves region?
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eV = 1/2 mv2 |
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eV = mv |
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Ed = m2v2 |
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v2 = 2Ee/d |
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