Neutron stars are created when giant stars die in supernovas and their remaining cores collapse to...

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Question

Neutron stars are created when giant stars die in supernovas and their remaining cores collapse to...

Neutron stars are created when giant stars die in supernovas and their remaining cores

collapse to a state of immense density where protons and electrons combine to form

neutrons. A neutron star is ~1.4 times as massive as the sun and has radius of only

~10 km. For this neutron star compute its escape velocity. What percentage of the

speed of light does this correspond to? (Assume for the mass of the sun, M = 1.989 x 10^30 kg).

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Answer 1

Answer #1

Escape Velocity=sqrt(2*G*Mass of neutron star/radius)=sqrt(2*6.67*10^(-11)*1.989*10^(30)*1.4/10000)=192734439.06059 m/s

Speed of light=299792458 m/s

% corresponding to speed of light=192734439.06059/299792458=64.2893%

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Answer 2

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