The experimental expression for the (approximate) radius (R) of a nucleus is R = RoA1/3, where and A is the mass number of the nucleus. Assuming that nuclei are spherical (they are approximately so in many cases),
(a) Determine the average nucleon density in a nucleus in units of and
(b) Estimate the nuclear density in kg/m3. Are you surprised at the magnitude of your answer?
(c) A neutron star is the last phase of evolution for some types of stars. Typically, a neutron star has a diameter of 15 km and a mass twice that of our Sun. Determine the average density of a typical neutron star and compare it to your answer to part (b). What can you conclude about the structure of the neutron star and how it got its name?

  • CreatedAugust 29, 2015
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