Escape Velocity from a Black Hole's Gravity

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SUMMARY

The discussion centers on calculating the minimum radius from which a photon can escape the gravity of a black hole with a mass of 2x1031 kg. The relevant equation used is the gravitational radius, defined as (2Gm)/c2, where G is the gravitational constant and c is the speed of light. Participants confirm that this equation accurately determines the Schwarzschild radius, which is critical for understanding black hole physics.

PREREQUISITES
  • Understanding of gravitational physics
  • Familiarity with the Schwarzschild radius concept
  • Knowledge of the gravitational constant (G)
  • Basic principles of light behavior in gravitational fields
NEXT STEPS
  • Research the implications of the Schwarzschild radius on black hole formation
  • Explore the relationship between mass and gravitational pull in astrophysics
  • Study the effects of black holes on surrounding matter and light
  • Learn about advanced concepts in general relativity
USEFUL FOR

Astronomy students, astrophysicists, and anyone interested in the fundamental properties of black holes and gravitational physics.

kingyof2thejring
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Homework Statement


A black hole has a mass of 2x10^31 kg What is the minimum radius from which a photon can escape its gravity?


Homework Equations





The Attempt at a Solution



does this equation give me the answer "gravitational radius" = (2Gm)/c^2
 
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