The mass of a certain neutron star is 1 × 1031 kg (5 solar masses) and its radius is 4000 m. What is the acceleration of gravity at the surface of this condensed, burned-out star? The value of the universal gravitational constant is 6.67 × 10?11 N · m2/kg2. Answer in units of m/s2.
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on: 1st January
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