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Question 3: An electron is a accelerated through a potential dillerence of 750.0 kV so that it leaves this region with a kinetic energy of 750.0keV a) Calculate the mass of the electron in units of eV correct to 4 decimal places. b) Calculate the total energy E of the electron in Joules and electron-Volts. c) Calculate the speed of the electron using the relativistic kinetic energy, and the non-relativistic kinetic energy Express your answer as a fraction times c. d) Calculate the absolute error in using the non-relativistic kinetic energy for this problem. e) Calculate the momentum of the electron in m and in ev f) You can take the ratio of and E- moc p mov to get PC Use your result for E in electron-volts and p in electron-volts per c to calculate Compare this result to the relativistic result from part (c).

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