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Speed of gravity - Wikipedia
In classical theories of gravitation, the changes in a gravitational field propagate. A change in the distribution of energy and momentum of matter results in subsequent alteration, at a distance, of the gravitational field which it produces. In the relativistic sense, the "speed of gravity" refers to the speed
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Gravity speed: What is the Speed of Gravity?
Nov 12, 2021 · The first attempt to calculate gravity’s speed was made by Laplace, who redefined gravity as a field or a liquid. He calculated the speed to be at least 7 million times the speed of light. If the Sun were to suddenly vanish from the center of the Solar System, Earth's destruction would commence only after 8 minutes, the same amount of time it takes the sun's …
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What is the speed of gravity? | Science Questions with
Apr 30, 2013 · A better name would be "the universal speed limit", or "the speed of massless particles". Gravitational effects travel at the speed of light in vacuum. Public Domain Image, source: NASA. Returning back to our thought experiment, we …
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9.1: The Speed of Gravity - Physics LibreTexts
Aug 23, 2020 · Not only should the “speed of gravity” be finite, but it seems implausible that it would be greater than c; in section 2.2, we argued based on empirically well established principles that there must be a maximum speed of cause and effect. Although the argument was only applicable to special relativity, i.e., to a flat spacetime, it seems likely to apply to general …
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What is the Speed of Gravity?. Do changes in a
Jan 16, 2014 · In theory, we know that the speed of gravity should be the same as the speed of light. But the Sun’s force of gravity out here, by us, is far too weak to measure this effect.
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What is the speed of gravity? - The Straight Dope
May 13, 2003 · Answer: We don’t, but it seems consistent with other things we know. To put it in technical terms, general relativity is only self-consistent if the speed of gravity is Lorentz invariant (that is, the same for all observers), and the only speed for which that works is c. (b) If gravity travels at the same speed as light, is it propagated by waves and particles, as light is?
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Acceleration of Gravity and Newton's Second Law
The acceleration of gravity can be observed by measuring the change of velocity related to change of time for a free falling object: a g = dv / dt (2) where. dv = change in velocity (m/s, ft/s) dt = change in time (s) An object dropped in free air accelerates to speed 9.81 m/s (32.174 ft/s) in one - 1 - second.
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What is the speed of gravity? - Quora
According to Einstein’s general relativity, gravitational waves propagate with the speed of light, i.e. the speed of gravity is equal to the speed of light. Einstein’s general relativity is a more accurate description of the phenomenon of gravitation. Hence, the speed of gravitation is equal to the speed of light. A⚡K.
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We've Finally Narrowed Down The Speed of Gravity And …
Nov 04, 2017 · Or, to be more precise, gravity moves at 299,792,458 metres per second, a rate we can just call c. Of course you'd be a fool to bet against Mr. General Relativity himself, but good science demands that even geniuses need to be checked against reality.
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