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First, let's start by determining the mass of the black hole. Using Newton's law of universal gravitation - which I think we can safely use, at a distance of 1 AU - we get $$g=\frac{G(M_{\text{bla...
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First, let's start by determining the mass of the black hole. Using Newton's law of universal gravitation - which I think we can safely use, at a distance of 1 AU - we get $$g=\frac{G(M_{\text{bla...