Introduction To Health Physics
Introduction To Health Physics
5th Edition
ISBN: 9780071835275
Author: Johnson, Thomas E. (thomas Edward), Cember, Herman.
Publisher: Mcgraw-hill Education,
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Chapter 2, Problem 2.49P
To determine

The energy (in joules) required to accelerate an electron to 20 MeV. What is the speed of the electron?

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10 L Special Relativity predicts that high-energy electrons increase in mass as they approach the speed of light. What kinetic energy will an electron have if it is travelling at 99.875% of the speed of light? Give your answer in MeV and in J. How many times greater is your result than the value the classical formula mv² gives? G AU
A particle has a mass of 1.88E-28 kg and it travels at a speed of 0.969c, where c is the speed of light. What is the energy of the particle, expressed in MeV. Keep three significant digits.
Atomic particles are often characterized by their kinetic energy in MeV. What is the speed of an 8.7 MeV proton?

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Introduction To Health Physics

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