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Is escape velocity of light infinity?

Updated: 8/18/2019
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14y ago

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Not at all. It would take an infinitely large mass to produce an infinite escape velocity, and no such infinite mass exists. Furthermore, the escape velocity for any object is the same no matter what is trying to escape, so light does not have its own escape velocity.

This question presumably concerns black holes. Light does not escape from black holes because the escape velocity is greater than the speed of light. The speed of light is not infinite, it is 300,000 kilometers per second.

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Q: Is escape velocity of light infinity?
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How does the escape velocity from a black hole compare with the speed of light?

The escape velocity of a black hole is equal or greater than the speed of light, so light cannot escape


Can light escape black holes?

No. The escape velocity of a black hole is greater than the speed of light.


How is the name black hole related to escape velocity?

The word "black" aptly describes the inability of light to escape - all light and matter that passes the event horizon can only do so in one direction, falling in. The reason is, the escape velocity inside the event horizon is greater than the speed of light, the event horizon itself being the boundary at which the escape velocity is equal to that speed. Outside that horizon, the escape velocity is less than the speed of light, hence it would be possible for light and objects moving at speeds approaching that of light to escape.


Is it possible for something to have an escape velocity equal to light?

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A rocket that moves upward from earth's surface at escape velocity will?

Escape the earth's gravitational pull and continue out into space. However, a rocket does not need to be launched at the escape velocity as it can continue to accelerate as it climbs. A gun projectile would need to be fired with the escape velocity. In a perfect system with only the projectile and the Earth: If the projectile is fired with the exact escape velocity it will travel to infinity away from the Earth. Upon reaching infinitely far away from Earth the projectile would have zero velocity. All of its kinetic energy (movement) would be transferred to potential energy.


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What is the escape velocity at the boundary of a black hole?

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An object that has an escape speed greater than that of light is a?

A black hole has an escape velocity of the speed of light, at least theoretically. Oddly, though, each galaxy has a black hole and we can detect them because they throw off massive amounts of energy. If the escape velocity is greater than the speed of light, then no light or energy of any kind should escape. So black holes are not quite the perfect consumers of everything.


Can instantaneous velocity equal infinity?

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If light does not escape a black hole does it just sit there?

Light continues to circle around the 'black hole' in what is called the 'Schwartchild radius before disappearing into the event horizon'. This is how that scientists are said to find the 'black holes'; they find the bright 'circles' with a black hole in it. light cannot escape a black hole because the escape velocity (the velocity needed to escape the gravitation pull of a celestial body) of a black hole exceeds the speed of light.


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