Moessbauer spectroscopy is a technique for studying molecules by looking at a particular atom within them. For example, Moessbauer measurements of iron (Fe) inside hemoglobin, the molecule responsible for transporting oxygen in the blood, can be used to determine the hemoglobin's flexibility. The technique starts with X-rays emitted from the nuclei of 57Co atoms. These X-rays are then used to study the Fe in the hemoglobin. The energy and momentum of each X-ray are 14 keV and 14 keV/c (see Example 7.5 for an explanation of the units). A 57Co nucleus recoils as an X-ray is emitted. A single 57Co nucleus has a mass of 9.52·10-26 kg. What are the final momentum and kinetic energy of the 57Co nucleus? How do these compare to the values for the X-ray?
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