Estimate the radius of a black hole

Reference no: EM13510837

The radius of a black hole is the distance from the black hole's center at which the escape speed is the speed of light.

(a) What is the radius of a black hole with a mass five times that of the Sun? (The mass of the Sun is 1.9891 1030 kg.)

(b) At what radius from the center of the black hole in part (a) would the orbital speed be equal to the speed of light?

Reference no: EM13510837

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