A particle has a kinetic energy equal to its rest energy.
Chapter 29, Problem 68(choose chapter or problem)
A particle has a kinetic energy equal to its rest energy. (a)What is the speed of this particle? (b)If the kinetic energy of this particle is doubled, does its speed increase by a more than, less than, or exactly a factor of 2? Explain. (c) Calculate the speed of a particle whose kinetic energy is twice its rest energy.
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