Giancoli 7th Edition textbook cover
Giancoli's Physics: Principles with Applications, 7th Edition
31
Nuclear Energy; Effects and Uses of Radiation
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31-1: Nuclear Reactions, Transmutation
31-2: Nuclear Fission
31-3: Nuclear Fusion
31-5: Dosimetry
31-9: NMR

Question by Giancoli, Douglas C., Physics: Principles with Applications, 7th Ed., ©2014, Reprinted by permission of Pearson Education Inc., New York.
Problem 38
Q
  1. Give the ratio of the energy needed for the first reaction of the carbon cycle to the energy needed for a deuterium–tritium reaction (Example 31–9).
  2. If a deuterium–tritium reaction actually requires a temperature T3×108 KT \approx 3 \times 10^8 \textrm{ K}, estimate the temperature needed for the first carbon-cycle reaction.
A
  1. KEtotal=2.2 MeVKE_{\textrm{total}} = 2.2 \textrm{ MeV}. The carbon reaction requires 5 times as much initial kinetic energy as the deuterium-tritium reaction.
  2. 1.5×109 K1.5 \times 10^9 \textrm{ K}
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