Question: A bare helium nucleus has two positive charges and a mass of 6.64 10-27 kg. (a) Calculate its kinetic energy in joules at 9.10% of

A bare helium nucleus has two positive charges and a mass of 6.64 10-27 kg. (a) Calculate its kinetic energy in joules at 9.10% of the speed of light. 0.000000000002478 Correct: Your answer is correct. J (b) What is this in electron volts? 0.000001547 Incorrect: Your answer is incorrect. What is the definition of an electron volt? eV (c) What voltage would be needed to obtain this energy? 0.00000773 Incorrect: Your answer is incorrect. Did you consider applying the conservation of energy principle? V

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