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22 July, 14:02

The mass of a certain neutron star is 1.2 * 1031 kg (6 solar masses) and its radius is 5000 m. what is the acceleration of gravity at the surface of this condensed, burned-out star

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  1. 22 July, 14:49
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    By definition we have that gravity is defined as:

    g = G * M / r ^ 2

    Where,

    M = Mass

    r = radius

    G = 6.67 * 10 ^ - 11 Nm ^ 2 / kg ^ 2

    Substituting the values we have:

    g = (6.67 * 10 ^ - 11) * (1.2 * 10 ^ 31) / (5000) ^ 2

    g = 3.2016E + 13 m / s ^ 2

    Answer:

    the acceleration of gravity at the surface of this condensed, burned-out star is

    g = 3.2016E + 13 m / s ^ 2
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