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3. The radius of a black hole is the distance from the black holes center at which the escape speed is the speed of light (c
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Answer #1

escape velocity is given by

ve^2 = 2 GM / R

(3* 10^8)^2 = 6.67* 10^-11* 24*2* 10^30 / R

R = 71146.67 m

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