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Questions and Answers
Which of the following equations correctly represents the kinetic energy of a particle moving with speed v?
Which of the following equations correctly represents the kinetic energy of a particle moving with speed v?
- K = (1/2)mv^2 (correct)
- K = Eo + mc^2
- K = (1/2)mv
- K = mc^2
What is the mass of an electron?
What is the mass of an electron?
- 0.511 MeV
- 9.1 x 10^-31 kg (correct)
- 1.67 x 10^-27 kg
- 938 MeV
What is the speed of light in a vacuum?
What is the speed of light in a vacuum?
- 0.511 MeV
- 3 x 10^8 m/s (correct)
- 938 MeV
- 9.1 x 10^-31 kg
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