, where m is mass and v is velocity.
Kinetic energy can also be expressed as:
, where q is charge and V is the energy in electron volt.
A bare helium nucleus has two positive charges and a mass of 6.64x10-27 kg.
(a) Calculate its kinetic energy in joules at 2.00% of the speed of light
(b) What is this in electron volts?
(c) What voltage would be needed to obtain this energy?
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