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Part A In the Bohr model of the hydrogen atom, a single electron revolves around a single proton in a circle of radius r. Assume that the proton remains at rest. By equating the electric force to the electron mass times its acceleration, derive an expression for the electron's speed. Express your answer in terms of electron's charge e, its mass m and orbit radius r. Express your answer in terms of the variables m, c, r and appropriate constants. VO Submit Flequest Answer Part B Obtain an expression for the electron's kinetic energy. Express your answer in terms of the variables m, e, F and appropriate constants. VO O ? K =In the Bohr model of the hydrogen atom, a single Part C electron revolves around a single proton in a circle of radius . Assume that the proton remains at rest. Show that the electron's kinetic energy is just half that of the electric potential energy. Essay answers are limited to about 500 words (3800 characters maximum, including spaces). 3800 Character(s) remaining Submit Request Answer Part D Obtain an expression for the total energy. Express your answer in terms of the variables m, c. r and appropriate constants. O