[Archive!] Pure mathematics, physics, chemistry, etc.: brain-training problems not related to trade in any way - page 568
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have you been there??? at the border? and on a fixed platform with scales and kilos of sugar (fluff, lead, turkey, ...)?
The Earth, like any (almost) other celestial body has a clearly (not to be confused with "sharply")) delineated sphere of gravity, beyond the boundary of which the solar one acts exclusively.
Read(you) the internet, not physics by Hans_Christian_Andersen. :)
Yep, up to the border 9.8 and just past it 0.
Are there any people on this forum who know physics well?
Problem: Find the force of gravity acting on a body of mass M located at height H above the Earth.
PS: here decided the problem, according to the solution, at an altitude of 6000 km body weighs half as much as on the surface of the Earth. Strangely enough, space stations do not fall even from a height of 400-600 km.
How to write the full equation of the dependence of gravity on the mass of the body and the height above the Earth?
What's wrong with that solution?
gravity is inversely proportional to the square of the distance from the centre of the earth. accordingly the height of two radii from the surface is equal to the height of three radii from the centre and so is three times greater than on the surface and gravity has decreased by a factor of 9. was 1/9 N
Dim, you can't. You are still young and hopefully you will live to see the time when it will be publicly announced that 9.8 m/s2 stretches all the way to the edge of the Earth's gravitational field.
Jet-propelled aircraft don't know shit about gravity - that's a fact.
That's terrible. And you graduated from a rocket school... And then we have rockets falling all over the place.
and have you been there??? at the border? and on a fixed platform with scales and kilos of sugar (fluff, lead, turkey, ...)?
The Earth, like any (almost) other celestial body has a clearly (not to be confused with 'sharply')) delineated sphere of gravity, beyond the boundary of which the solar one exclusively acts.
Read(you) the internet, not physics by Hans_Christian_Andersen. :) Bo physicists from G_HH_A still fly on jet propulsion... :)))
What are you doing? Cookie? ))
Are there people on this forum who know physics well?
Problem: Find the force of gravity acting on a body of mass M located at height H above the Earth.
PS: here decided the problem, according to the solution, at an altitude of 6000 km body weighs half as much as on the surface of the Earth. Strangely enough, space stations do not fall even from a height of 400-600 km.
How to write the full equation of the dependence of gravity on the mass of the body and the height above the Earth?
And it would be better to use integral by volume, because the earth is not a material point :)
ZS - in your case - at 6000km altitude - which roughly corresponds to the radius of the earth - gravity will decrease by a factor of 4...
By the way :)
Terrible. And you graduated from missile school... And then we have missiles falling all over the place.
Space stations are artificial satellites of the Earth. Satellites are kept in their orbit by their speed. They sort of fall to the earth, but due to their speed they fly past.
It turns out this: if, for example, the ISS had the same angular rate of rotation as the Earth, it would fall to Earth.
It turns out this: if, for example, the ISS had the same angular rate of rotation as the Earth, it would fall to the Earth.