Recall that density is the ratio of the mass and volume of an object:
Also, the volume of a sphere is given by:
V = 1.716 x 10-5 cm3
Neutron stars are believed to be composed of solid nuclear matter, primarily neutrons.
Assuming that a neutron star has the same density as a neutron (density = 4.0×1014 g/cm3), calculate the mass (in kg) of a small piece of a neutron star the size of a spherical pebble with a radius of 0.16 mm .
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