A beam of nuclei is used for cancer therapy. Each nucleus has an energy of 130 MeV,
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A beam of nuclei is used for cancer therapy. Each nucleus has an energy of 130 MeV, and the relative biological effectiveness (RBE) of this type of radiation is 16. The beam is directed onto a 0.17-kg tumor, which receives a biologically equivalent dose of 180 rem. How many nuclei are in the beam?
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The number N of nuclei in the beam is equal to the energy E absorbe...View the full answer
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