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🧵 Gravity

Anonymous No. 16279992

If 2 apples are placed 1000 miles apart in a vacuum with no other forces acting on them, will they eventually collide due to gravity? If not, how close would they have to be?

Anonymous No. 16279994

Yes, assuming no other masses exist in the whole of the space

Anonymous No. 16280000

>>16279992
According to chatgpt it would happen but would take about 30 million years.
Honestly I thought it would take longer than that personally.

Anonymous No. 16280189

>>16279992
The answers people are coming up with rely on our current mathematical models for gravity that were shown to somewhat fit the mechanics of near celestial bodies and cosmic systems of few tens-hundreds astronomical units of magnitude. There is no guarantee that these laws apply on small everyday scale let alone microscopic scale. There is no direct experience that can prove that there is no threshold scale beyond which the typical laws of gravity do no longer apply since (See Anon's answer above) they are of unfathomable timescale and require absolute vacuum. It is all speculations and objectively not scientific.

We really can't know.

🗑️ Barkon, Vard and Worl No. 16280191

>>16280189
>muh you cannot know nuffin

Fool

Anonymous No. 16280196

>>16280191
You can't even predict the next digit in the rising sequence :
1,2,3,4,..
Let alone predict the outcome of an experiment you can't devise.

Anonymous No. 16280199

>>16280191
The true scientific method requires verifying the theory after its formulation. The theory has been verified on scales comparable to the solar system. Have you attempted to do so on the human scale?

Anonymous No. 16280223

>>16279992
https://pastebin.com/WRyujFR9
assuming one apple weights 10^14kg it takes 1997712350 seconds (63.34 years)

Anonymous No. 16280225

>>16280223
fuck it was meant to be 1000miles not 100km

Anonymous No. 16280232

>>16279992
If two black holes each half the mass of the universe are placed infinity - 1 miles away from each other, at what velocity would they collide with one another from the perspective of a neutral observer who is perpendicular to the point of impact?

Anonymous No. 16280240

>>16280232
infinity - 1 is just infinity. any objects an infinite distance apart are outside each others light cone so they can never causally interact, and so they will never collide.

Anonymous No. 16280278

>>16279992
I liked the question about the basketball and baseball orbital mechanics better

Anonymous No. 16280299

>>16280232
>>16280240
Infinities don’t exist in nature. They’re pure abstraction with certain axiomatic qualities that you can play with, but there is no example of an infinity in nature (an unlimited sequence is not an infinity btw).

Anonymous No. 16281024

>>16280189
Gravity is observable throughout the universe. Planets would not exist if not for rocks slowly *gravitating* towards one another.