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| Tags: geodesic, invalidity |
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#1
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okay, geodesic paths are bery nice,
but whay are thay circular, whay is tha eart revolving and rotating whay is tha moon not rotating wrt earth as being coupled with a cable so by havin a cable between earth and moon we get free energy directly from geodesic, am I cool? |
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#2
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On Sun, 02 Apr 2006 09:15:55 -0700, passwd wrote:
okay, geodesic paths are bery nice, but whay are thay circular, whay is tha eart revolving and rotating They do not have to be circular. Most orbits, in fact, are not. whay is tha moon not rotating wrt earth as being coupled with a cable The moon is rotating -- it rotates once a month, keeping the same side to the Earth. so by havin a cable between earth and moon we get free energy directly from geodesic, am I cool? No, because the Moon does not sit over the same point on the Earth. It might, eventually, far far in the future, but were one to dangle a cable from the Moon to the Earth (assuming one could do so without it snapping from its own weight) the end would be moving at about 500 m/s relative to a point on the Earth's surface. Since the Moon's orbit is inclined, things go from bad to worse. Since the Moon's orbit is not perfectly circular, you have a choice of letting the cable end drag on the ground causing widespread destruction (or simply breaking), and not being able to reach the cable end because it's too far up. -- #191, It's still legal to go .sigless. |
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#3
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The Ghost In The Machine wrote: [snip] This is a honest troll, he is just acting stupid. Ignore him and he will go away as he did before. |
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#4
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The Ghost In The Machine wrote: On Sun, 02 Apr 2006 09:15:55 -0700, passwd wrote: okay, geodesic paths are bery nice, but whay are thay circular, whay is tha eart revolving and rotating They do not have to be circular. Most orbits, in fact, are not. stop playin smartass eliptical then, is tha same **** whay is tha moon not rotating wrt earth as being coupled with a cable The moon is rotating -- it rotates once a month, keeping the same side to the Earth. that was tha question, whay tha same side? so by havin a cable between earth and moon we get free energy directly from geodesic, am I cool? No, because the Moon does not sit over the same point on the Earth. It might, eventually, far far in the future, but were one to dangle a cable from the Moon to the Earth (assuming one could do so without it snapping from its own weight) the end would be moving at about 500 m/s relative to a point on the Earth's surface. no problemo we anchore tha cable to a track every country takes tha responsability ta build the track than tap energy when the cable pass tha country Since the Moon's orbit is inclined, things go from bad to worse. Since even better, we get even more energy we make the cables elastic when onae the Moon's orbit is not perfectly circular, you have a choice of letting the cable end drag on the ground causing widespread destruction (or simply breaking), and not being able to reach the cable end because it's too far up. -- #191, It's still legal to go .sigless. |
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#5
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wet harmony wrote:
The Ghost In The Machine wrote: On Sun, 02 Apr 2006 09:15:55 -0700, passwd wrote: okay, geodesic paths are bery nice, but whay are thay circular, whay is tha eart revolving and rotating They do not have to be circular. Most orbits, in fact, are not. stop playin smartass eliptical then, is tha same **** So, your question is, why are orbits shaped the way they are? The general relativity answer is, because that's the solution to the Einstein field equations. The Earth continues to rotate because it has angular momentum, and angular momentum is conserved. whay is tha moon not rotating wrt earth as being coupled with a cable The moon is rotating -- it rotates once a month, keeping the same side to the Earth. that was tha question, whay tha same side? The moon is tide locked. It has lost just enough rotational energy that it faces the Earth with the same side all the time. This was produced by interactions with the moon's very slightly irregular shape. Note that the moon does not perfectly face the same way all the time. It actually "wobbles" a bit because its orbit is not circular. These are called librations. It lets us see something like an extra 15 degrees in each direction, left and right. so by havin a cable between earth and moon we get free energy directly from geodesic, am I cool? No, because the Moon does not sit over the same point on the Earth. It might, eventually, far far in the future, but were one to dangle a cable from the Moon to the Earth (assuming one could do so without it snapping from its own weight) the end would be moving at about 500 m/s relative to a point on the Earth's surface. no problemo we anchore tha cable to a track every country takes tha responsability ta build the track than tap energy when the cable pass tha country Since the Moon's orbit is inclined, things go from bad to worse. Since even better, we get even more energy we make the cables elastic Supposing the cable were only as dense as air (I don't know what you would make it of, but let's have some fun) what would the total strength of this cable have to be just to support its own weight? Your homework is to look up the density of air, then figure out how much force would be exerted b acolumn of air that reached the moon. How far North and South does the Earth end of the cable have to go? (It's your homework to look up how much the moon's orbit is tilted relative to the Earth's equator, and so how many degrees the cable would have to move to stay the shortest it could be.) Alternatively, how much cable would have to be let out then taken back in for each orbit of the moon? How fast would the cable have to be moving along the surface of the Earth supposing it is close to the equator? How much noise does this make? What happens when the cable passes a mountain range? Or a river or ocean? Right now we can get some energy out of the Earth/moon system by getting energy from tides. Socks |
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#6
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wet harmony wrote:
The Ghost In The Machine wrote: On Sun, 02 Apr 2006 09:15:55 -0700, passwd wrote: okay, geodesic paths are bery nice, but whay are thay circular, whay is tha eart revolving and rotating They do not have to be circular. Most orbits, in fact, are not. stop playin smartass eliptical then, is tha same **** whay is tha moon not rotating wrt earth as being coupled with a cable The moon is rotating -- it rotates once a month, keeping the same side to the Earth. that was tha question, whay tha same side? so by havin a cable between earth and moon we get free energy directly from geodesic, am I cool? No, because the Moon does not sit over the same point on the Earth. It might, eventually, far far in the future, but were one to dangle a cable from the Moon to the Earth (assuming one could do so without it snapping from its own weight) the end would be moving at about 500 m/s relative to a point on the Earth's surface. no problemo we anchore tha cable to a track every country takes tha responsability ta build the track than tap energy when the cable pass tha country Don't you think this is a more practical approach? http://home.clara.net/darvill/altenerg/tidal.htm Paul |
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#7
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#8
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Paul B. Andersen wrote: wet harmony wrote: The Ghost In The Machine wrote: On Sun, 02 Apr 2006 09:15:55 -0700, passwd wrote: okay, geodesic paths are bery nice, but whay are thay circular, whay is tha eart revolving and rotating They do not have to be circular. Most orbits, in fact, are not. stop playin smartass eliptical then, is tha same **** whay is tha moon not rotating wrt earth as being coupled with a cable The moon is rotating -- it rotates once a month, keeping the same side to the Earth. that was tha question, whay tha same side? so by havin a cable between earth and moon we get free energy directly from geodesic, am I cool? No, because the Moon does not sit over the same point on the Earth. It might, eventually, far far in the future, but were one to dangle a cable from the Moon to the Earth (assuming one could do so without it snapping from its own weight) the end would be moving at about 500 m/s relative to a point on the Earth's surface. no problemo we anchore tha cable to a track every country takes tha responsability ta build the track than tap energy when the cable pass tha country Don't you think this is a more practical approach? http://home.clara.net/darvill/altenerg/tidal.htm Paul i kno that approach, but tha passin cable is more simple evrybody can catch a cable |
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