Question
A neutron star is a collapsed star of extremely high density.Consider a neutron star with a mass M equal to the mass of the Sun. 1.99 x 1030kg. and a radius, r. of 16 km. What is the free fall acceleration at its surface? \text { Ignore rotational effects. } G=657 \times 10^{-}, \mathrm{m}^{2} \mathrm{~kg}^{-2}
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