Modern Physics Quiz
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Questions and Answers

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?

  • 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?

  • 0.511 MeV
  • 3 x 10^8 m/s (correct)
  • 938 MeV
  • 9.1 x 10^-31 kg

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