Problem 3: Consider two points in an electric field. The potential at point 1, V1, is 47 V. The potential at point 2, V2, is 176 V. An electron at rest at point 1 is accelerated by the electric field to point 2. Part (a) Write an equation for the change of electric potential energy 4U of the electron in terms of the symbols given. AU = a B Δυ 9 HOME d e 4 6. g h 1 3 me P + END Vị V2 vol BACKSPACE CLEAR Part (b) Find the numerical value of the change of the electric potential energy in electron volts (eV). Part (c) Express v2, the speed of the electron at point 2, in terms of AU, and the mass of the electron mg- , Part (d) Find the numerical value of v, in m/s.
Problem 3: Consider two points in an electric field. The potential at point 1, V1, is 47 V. The potential at point 2, V2, is 176 V. An electron at rest at point 1 is accelerated by the electric field to point 2. Part (a) Write an equation for the change of electric potential energy 4U of the electron in terms of the symbols given. AU = a B Δυ 9 HOME d e 4 6. g h 1 3 me P + END Vị V2 vol BACKSPACE CLEAR Part (b) Find the numerical value of the change of the electric potential energy in electron volts (eV). Part (c) Express v2, the speed of the electron at point 2, in terms of AU, and the mass of the electron mg- , Part (d) Find the numerical value of v, in m/s.
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