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Sharupak Minmatar Brutor tribe	Posted - 2008.09.10 14:04:00 - [1] The airplane thread reminded me of a conversation I had with a shipmate of mine when I was in the navy. "If you lifted all the boats ships and all various watercraft out of the ocean at the same time, would you see a noticeable change in the ocean level." It was good fun only because he was certain that it would and I was certain of the opposite. Not nearly as cool as the airplane/treadmill, but kind of the same thing. _______________________________________________ RuntimeError: ChainEvent is blocking by design, but you're block trapped. You have'll have to find some alternative means to do Your Thing, dude.
ReaperOfSly Gallente Lyrus Associates The Star Fraction	Posted - 2008.09.10 14:20:00 - [2] No, there would be no noticeable difference. Compare the total amount of water displaced by all ships with the total volume of the oceans. It's a tiny tiny tiny fraction. Equivalently, the total mass of all boats and ships is a tiny tiny tiny fraction of the total mass of all the water in the oceans. __________________________ Quote: ...bored, skint, no charter, and a ship that looks like an explosion in a girder factory...
The TX Gallente Pulsar Combat Supplies Alternative Realities	Posted - 2008.09.10 14:21:00 - [3] Originally by: Sharupak The airplane thread reminded me of a conversation I had with a shipmate of mine when I was in the navy. "If you lifted all the boats ships and all various watercraft out of the ocean at the same time, would you see a noticeable change in the ocean level." It was good fun only because he was certain that it would and I was certain of the opposite. Not nearly as cool as the airplane/treadmill, but kind of the same thing. The ocean is so large that there wouldn't be a NOTICEABLE change. But there would be a change, wouldn't there? Cuz the boats are displacing water in order to float. So if all the boats were taken out, they're no longer displacing the water..... Right? -------------------- [Signature] [/Signature]
Slade Trillgon Siorai Iontach	Posted - 2008.09.10 14:23:00 - [4] Edited by: Slade Trillgon on 10/09/2008 14:25:24 I would say probably not. There would be too much surface area, shore line, that the increase would be dispersed over, thus making it very hard to measure with the tides and all. Add in take out all the sea life on top the seafaring vehicles a very slight difference may be noted then . Interesting thought non the less. Slade Originally by: Crumplecorn NerfBat is now known as the WaveMachine. DesuSigs
P'uck	Posted - 2008.09.10 14:34:00 - [5] Also I think this is not similar to the airplane problem ;) This here aint no "paradox" that is likely to trigger wrong assumptions.
Sharupak Minmatar Brutor tribe	Posted - 2008.09.10 14:40:00 - [6] Originally by: P'uck Also I think this is not similar to the airplane problem ;) This here aint no "paradox" that is likely to trigger wrong assumptions. Probably right there... It is much simpler to think about, the funny thing is we were discussing this in the middle of the Pacific ocean and there were no ships visible. I tried to explain that this would be the population density of ship traffic over 95% of the world's oceans. 8300 tons of water displacement over probably 10s of millions of tons of water just in the visible radius alone. I said it would be like sprinkling pepper in a bathtub full of water. _______________________________________________ RuntimeError: ChainEvent is blocking by design, but you're block trapped. You have'll have to find some alternative means to do Your Thing, dude.
P'uck	Posted - 2008.09.10 14:45:00 - [7] Edited by: P''uck on 10/09/2008 14:45:35 What I find interesting about the question is: the major oceans are communicating fluids, but don't the tides move around the mass of the water with so much... could you say "momentum"?... that the amount of water that gets moved around by removing ships gets completely obscured? Even if it was completely still, no wind, no tides, ideal environment for an experiment and so on... how long would it actually take to move some watermolecules in sidney if you removed one big ship in ... lets say a port in greenland.
Reven Cordelle Caldari School of Applied Knowledge	Posted - 2008.09.10 15:30:00 - [8] In theory it probably would if the world was a bath tub. Water displacement is as such, if something is floating in the water, it is displacing it to another area. Archimedes realised this, he thought it was so shit-hot that he'd run around naked proclaiming his genius. "Eureka!" he said. Trick here is that you say "noticable" change, ie.. would the sea level even drop by an amount we can see? Probably not. I imagine it would be microns, if that. Simple physics dictates that the water level will rise if a mass is displacing an amount of water... so the level will drop if that mass is removed. Thing is theres so much water on this rock that as a previous poster said... Pepper in a bathtub.
Taua Roqa Minmatar Groping Hand Social Club	Posted - 2008.09.10 15:33:00 - [9] there would be no change
Sharupak Minmatar Brutor tribe	Posted - 2008.09.10 16:22:00 - [10] Originally by: P'uck Edited by: P''uck on 10/09/2008 14:45:35 What I find interesting about the question is: the major oceans are communicating fluids, but don't the tides move around the mass of the water with so much... could you say "momentum"?... that the amount of water that gets moved around by removing ships gets completely obscured? Even if it was completely still, no wind, no tides, ideal environment for an experiment and so on... how long would it actually take to move some watermolecules in sidney if you removed one big ship in ... lets say a port in greenland. Probably never as the deflection of landmasses would damper the movement. _______________________________________________ RuntimeError: ChainEvent is blocking by design, but you're block trapped. You have'll have to find some alternative means to do Your Thing, dude.
Sharupak Minmatar Brutor tribe	Posted - 2008.09.10 16:25:00 - [11] Originally by: Reven Cordelle In theory it probably would if the world was a bath tub. Water displacement is as such, if something is floating in the water, it is displacing it to another area. Archimedes realised this, he thought it was so shit-hot that he'd run around naked proclaiming his genius. "Eureka!" he said. Trick here is that you say "noticable" change, ie.. would the sea level even drop by an amount we can see? Probably not. I imagine it would be microns, if that. Simple physics dictates that the water level will rise if a mass is displacing an amount of water... so the level will drop if that mass is removed. Thing is theres so much water on this rock that as a previous poster said... Pepper in a bathtub. Hmmm, if you think chaotically, would heavy rainfall on the day you decided to do this coupled with a low day of water evaporation in the ocean negate any displaced effect? _______________________________________________ RuntimeError: ChainEvent is blocking by design, but you're block trapped. You have'll have to find some alternative means to do Your Thing, dude.
JAQUE ALERA	Posted - 2008.09.10 20:16:00 - [12] If you took every human away at the same time would the atmospheric displacement cause the atmosphere to collapse? Would it make a sound? Who would care?
Sharupak Minmatar Brutor tribe	Posted - 2008.09.10 20:18:00 - [13] Originally by: JAQUE ALERA If you took every human away at the same time would the atmospheric displacement cause the atmosphere to collapse? Would it make a sound? Who would care? Probably not, but it sure wouldnt help global warming! _______________________________________________ RuntimeError: ChainEvent is blocking by design, but you're block trapped. You have'll have to find some alternative means to do Your Thing, dude.
P'uck	Posted - 2008.09.10 20:24:00 - [14] huff puff, thats some heavy zen shit, right there. If a man is talking, and there is no woman around to hear it, is he still wrong?
Sharupak Minmatar Brutor tribe	Posted - 2008.09.10 20:32:00 - [15] Originally by: P'uck huff puff, thats some heavy zen shit, right there. If a man is talking, and there is no woman around to hear it, is he still wrong? Trick question, there is always a woman around to hear it! _______________________________________________ RuntimeError: ChainEvent is blocking by design, but you're block trapped. You have'll have to find some alternative means to do Your Thing, dude.
JAQUE ALERA	Posted - 2008.09.10 20:36:00 - [16] Originally by: P'uck huff puff, thats some heavy zen shit, right there. If a man is talking, and there is no woman around to hear it, is he still wrong? Only if they are in charge.
Slade Trillgon Siorai Iontach	Posted - 2008.09.10 22:30:00 - [17] Originally by: JAQUE ALERA Originally by: P'uck huff puff, thats some heavy zen shit, right there. If a man is talking, and there is no woman around to hear it, is he still wrong? Only if they are in charge. Touche to the two of you Slade Originally by: Crumplecorn NerfBat is now known as the WaveMachine. DesuSigs
Rawr Cristina Caldari Omerta Syndicate	Posted - 2008.09.10 23:23:00 - [18] If you took all the water out of the ocean, would the ships still float? - Infectious -
Sharupak Minmatar Brutor tribe	Posted - 2008.09.11 00:15:00 - [19] Originally by: Rawr Cristina If you took all the water out of the ocean, would the ships still float? Do you mean would the float on the salt _______________________________________________ RuntimeError: ChainEvent is blocking by design, but you're block trapped. You have'll have to find some alternative means to do Your Thing, dude.
P'uck	Posted - 2008.09.11 00:19:00 - [20] Originally by: Rawr Cristina If you took all the water out of the ocean, would the ships still float? Depends on what the conveyor does
Mankirks Wife	Posted - 2008.09.11 02:48:00 - [21] When a buyout object is placed in a fluid, it displaces an amount of that fluid equal to its mass. This is why ships float - they are less dense than water, so they can not displace enough water to allow them to sink. But the portion of the ship below the waterline still contributes to the total ocean volume. So if you pulled all the ships in the sea out of the water the total volume would drop, however minutely. ---
KingsGambit Caldari Knights	Posted - 2008.09.11 08:47:00 - [22] I believe the appropriate term is 'Eureka'! -------------
Suze'Rain Caldari	Posted - 2008.09.11 10:26:00 - [23] well, the answer is if you somehow managed to make then entire global ocean current and tide stop, and then the boats all floated out, you might just notice with a precision micrometer. on the other hand, if the tides and currents did stop, then a rise of a fraction of a millimetre is the least of the planet's problems.
Cmdr Sy Appetite 4 Destruction The Firm.	Posted - 2008.09.11 14:45:00 - [24] Originally by: Sharupak "If you lifted all the boats ships and all various watercraft out of the ocean at the same time, would you see a noticeable change in the ocean level." No, because the effect you would be trying to measure would be smaller than the noise. EVE CCG Trinity Booster
Louis deGuerre Gallente Federation Zone Operations Command	Posted - 2008.09.11 14:49:00 - [25] Originally by: P'uck huff puff, thats some heavy zen shit, right there. If a man is talking, and there is no woman around to hear it, is he still wrong? this -------------------------------------------------- If you know the enemy and know yourself, you need not fear the result of a hundred battles - Sun Tzu

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