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4. Neutron stars consist only of
neutrons and have unbelievably high densities. A typical mass and radius for
a neutron star might be 2.7 x 1028 kg and 1.2 x 103 m. (a)
Find the density of such a star. (b) If a dime (V = 2.0 x 10-7
m3) were made from this material, how much would it weigh (in
pounds)? |
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