A bare helium nucleus has two positive charges and a mass of 6.64 x 10-27 kg. (a) Calculate its kinetic energy in joules at 7.20% of the speed of light. (b) What is this in electron volts? eV (c) What voltage would be needed to obtain this energy? V

A bare helium nucleus has two positive charges and a mass of 6.64 x 10-27 kg. (a) Calculate its kinetic energy in joules at 7.20% of the speed of light. (b) What is this in electron volts? eV (c) What voltage would be needed to obtain this energy? V

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter16: Electrical Energy And Capacitance

Section: Chapter Questions

Problem 5P: A constant electric field accelerates a proton from rest through a distance of 2.00 m to a speed of...

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Electric Charges and Fields

One of the fundamental properties is the electromagnetic property. Charge cannot be destroyed by any process and this contributes formally to the law of charge conservation.

Question

A bare helium nucleus has two positive charges and a mass of 6.64 x 10-27 kg.
(a) Calculate its kinetic energy in joules at 7.20% of the speed of light.
(b) What is this in electron volts?
eV
(c) What voltage would be needed to obtain this energy?
V

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