The radius rhand mass mh of a black hole are related by rh = 2gmh/c2, where c is the speed of light. assume that the gravitational acceleration agof an object at a distance ro= 1.001rh from the center of a black hole is given by ag = g m / r2 (it is, for large black ) what is ag at rofor a very large black hole whose mass is 1.87 × 1011 times the solar mass of 1.99 × 1030 kg? (b) if an astronaut with a height of 1.70 m is at rowith her feet toward this black hole, what is the difference in gravitational acceleration between her head and her feet?
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