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A question I've always wondered about??

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Old 26 May 2007, 11:52
jiffthejiffmanjaffa
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Default A question I've always wondered about??
Pretend the centre of the earth was cold; If you could drill a hole through the centre of the earth, and you then decided to jump down the hole, what would happen to you??

Would you come out the other end and fall up into the sky? would you float in the middle or would you constanly fall up and down?

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Old 26 May 2007, 11:57
dpb
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I Can see how this might begin to trouble you considering yo location
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Old 26 May 2007, 12:08
dpb
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youd end up in the middle after a good deal of yo-yoing
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Old 26 May 2007, 12:09
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MMMmmmm, I think (dangerous in itself) you'd fall all the way through the centre, overshoot (clean up your mess with kleenex) then back towards the centre, until eventually you'd be in the middle.
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Old 26 May 2007, 12:45
*Jamie*
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jump down the hole why?

You would be dead
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Old 26 May 2007, 14:11
Robin Mullan
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Can i have some of the gear that you've been taking.
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Old 26 May 2007, 17:16
*Jamie*
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I think he/she sells jaffa cakes not gear
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Old 26 May 2007, 20:57
jiffthejiffmanjaffa
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Right now how do I go about putting this theory to the test? Anyone got any idea's?

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Old 26 May 2007, 21:47
Robin Mullan
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Yea, take some more drugs.

Gravity may have a helping hand.
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Old 26 May 2007, 21:57
hectic
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Go search for the cat /toast/gravity theorum .... might shed some light on the subject
HTH
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Old 26 May 2007, 22:01
Einstein RA
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What if we had a simultaneous jump by two people from opposite ends? Would they reach the middle at the same time? Also if one person jumps from a hole in the North Pole and the other in the South Pole, theoretically they should emerge upside down shouldn't they?
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Old 26 May 2007, 22:22
ru'
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Quote:
Originally Posted by Einstein RA View Post
What if we had a simultaneous jump by two people from opposite ends? Would they reach the middle at the same time?
Yes, if their air resistance was the same (or if it was, for some reason, a vacuum - which would kill them anyway)

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Originally Posted by Einstein RA View Post
Also if one person jumps from a hole in the North Pole and the other in the South Pole, theoretically they should emerge upside down shouldn't they?
Yes, if they fell feet first without tumbling.

Surely you know all of this, having come up with relativity etc.?
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Old 26 May 2007, 22:35
Luminous
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You could compensate by air resistence by jumping into the hole from a height greater than sea level (assuming both ends of the hole are at sea level).

Get the calculations right, and assuming you manage to do a nice little back flip on your way through, you could just step out at the other side
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Old 26 May 2007, 22:46
Einstein RA
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Quote:
Originally Posted by ru' View Post
Yes, if their air resistance was the same (or if it was, for some reason, a vacuum - which would kill them anyway)



Yes, if they fell feet first without tumbling.

Surely you know all of this, having come up with relativity etc.?
Gravity is a result of mass. The pull is coming from the centre of the earth outwards. If there was a hole through this centre the gravitional direction would be altered...Wouldn't it?!
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Old 26 May 2007, 22:47
little-ginge
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jiffthejiffmanjaffa, is it true what they say about jaffas?
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Old 26 May 2007, 22:48
Einstein RA
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Quote:
Originally Posted by Luminous View Post
You could compensate by air resistence by jumping into the hole from a height greater than sea level (assuming both ends of the hole are at sea level).

Get the calculations right, and assuming you manage to do a nice little back flip on your way through, you could just step out at the other side
Surely logic would state that you would stop at the middle and climb the other half.
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Old 26 May 2007, 22:49
little-ginge
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Aye-oop, Maz
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Old 26 May 2007, 23:00