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The velocity an object must travel to successfully exit the gravitational influence of a body.
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black hole escape speed
Escape velocity = (√GM)/√r > C. G= universal gravitational constant (6.67384 × 10-11 m^3 kg^-1 s^-2) M= mass of black hole r=radius of black hole c=3.00x10^8 m/s
The escape velocity of a black hole is …