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Unfolding Nature Shop: Unfolding Nature: Being in the Implicate Order

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InvisibleJim
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Registered: 04/07/04
Posts: 20,922
World Jump Day
    #5876265 - 07/19/06 01:18 AM (17 years, 6 months ago)

http://www.worldjumpday.org/

Stop global warming all by jumping on a solid surface with 600,000,000 other people to change the earths orbit...

I have no opinion on this matter right now...


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Use the Fucking Reply To Feature You Lazy Pieces of Shit!

afoaf said:
Jim, if you were in my city, I would let you fuck my wife.


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OfflineSeussA
Error: divide byzero

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Registered: 04/27/01
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Re: World Jump Day [Re: Jim]
    #5876558 - 07/19/06 04:38 AM (17 years, 6 months ago)

They claim that 600 million people jumping on one side of the planet will change the orbit. I'm trying to figure out how this would work.

... for every action there is an opposite and equal reaction.
... what goes up, goes down.

I just don't see how moving the mass of 600 million people a half meter for a few seconds is going to change the orbit of the planet. Kind of like claiming that an ant walking on a baseball can cause a perfect pitch to go out of the strike zone. Of course, I'm no expert in the field...


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Just another spore in the wind.


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InvisibleOJK
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Registered: 06/08/03
Posts: 10,629
Re: World Jump Day [Re: Seuss]
    #5876879 - 07/19/06 07:52 AM (17 years, 6 months ago)

I too see a number of problems with this:

* It is impossible to permanently change the Earth's orbit using the planet's own mass (which includes that of the world's population) unless such mass is ejected from the Earth at escape velocity (see Newton's third law of motion). The center of gravity of the system containing the earth and its population of humans will remain in the exact same orbit it was always in throughout the jump. However, for the very brief moment when the jumpers are in the air, the Earth's orbit would be moved a tiny bit - only to be restored to its exact same location by the force of gravity acting between the jumpers and the planet while they are in the air.

* Even ejecting such mass from the Earth (or colliding to it from outer space), the resulting energy would be equivalent to only 2% of the energy released by a modern hydrogen bomb, shifting the Earth's orbit just a small fraction of the radius of a single atom.

* Since the Earth's orbit is elliptic, there are already great variations in its distance from the Sun (about 5,000,000 km) with no generally noticeable changes in temperature.

* Applying a brief force to the surface of the earth would not move its orbit further from the sun - it would merely change the shape of the ellipse - so at some times of year the earth would actually be closer to the sun whilst at others it would be further away.


All of these problems were entirely thought up by me and in no way copied from the wikipedia article at all. For reals.


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InvisibleVvellum
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Registered: 05/24/04
Posts: 10,920
Re: World Jump Day [Re: Jim]
    #5877159 - 07/19/06 10:33 AM (17 years, 6 months ago)

I think it's a joke.


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OfflineClammyJoe
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Registered: 11/03/05
Posts: 3,691
Loc: PNW
Last seen: 11 years, 1 month
Re: World Jump Day [Re: Vvellum]
    #5877586 - 07/19/06 12:30 PM (17 years, 6 months ago)

Quote:

bi0 said:
I think it's a joke.




Bingo.


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OfflineCharming_Man
Stranger
Registered: 07/12/06
Posts: 1
Last seen: 17 years, 5 months
Re: World Jump Day [Re: ClammyJoe]
    #5877595 - 07/19/06 12:34 PM (17 years, 6 months ago)

There is a difference of 14 orders of magnitude. The equivalent of taking a shit on the worlds biggest ship is someting of 10 orders


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Unfolding Nature Shop: Unfolding Nature: Being in the Implicate Order


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