posted by Jacky .
The mass of a certain neutron star is 1 × 1031 kg (5 solar masses) and its radius is 5500 m.
What is the acceleration of gravity at the surface of this condensed, burned-out star? The value of the universal gravitational con- stant is 6.67 × 10−11 N · m2/kg2.
Answer in units of m/s2