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Solve the following problem:
Problem: An electron is accelerated inside a parallel plate capacitor. The electron leaves the negative plate with a negligible initial velocity and then after the acceleration it hits the positive plate with a final velocity. The distance between the plates is 15.6 cm, and the voltage difference is 110 kV.
A- Determine the final velocity of the electron using classical mechanics. (The rest mass of the electron is 9.11 x 10-31 kg, the rest energy of the electron is 511 keV.)
B- What is the final velocity of the electron if you use relativistic mechanics?
I need help to solve the above question.
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