There is relatively little empty space between atoms in solids and liquids, so that the average density of an atom is about the same as matter on a macroscopic scale—approximately 103 kg/m3. The nucleus of an atom has a radius about 10−5 that of the atom and contains nearly all the mass of the entire atom.   (a)What is the approximate density (in kg/m3) of a nucleus? Answer________ in kg/m3 (b) One remnant of a supernova, called a neutron star, can have the density of a nucleus. What would be the radius (in m) of a neutron star with a mass 1.3 times that of our Sun (the radius of the Sun is 7 ✕ 108 m)?

College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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There is relatively little empty space between atoms in solids and liquids, so that the average density of an atom is about the same as matter on a macroscopic scale—approximately 103 kg/m3. The nucleus of an atom has a radius about 10−5 that of the atom and contains nearly all the mass of the entire atom.
 
(a)What is the approximate density (in kg/m3) of a nucleus?
Answer________ in kg/m3
(b)
One remnant of a supernova, called a neutron star, can have the density of a nucleus. What would be the radius (in m) of a neutron star with a mass 1.3 times that of our Sun (the radius of the Sun is 7 ✕ 108 m)?
Answer ___________ m
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