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Thread: A velocity problem from a lamen

  1. #1 A velocity problem from a lamen 
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    Taking into consideration the rotation of the earth, the rotation of the earth around the sun and the expanding universe where on earth would you be if you wanted to move faster than any human before relative to the center of the universe? On what day, at what time, and in which direction?

    any thoughts or corrections to the question?


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    What center of the universe? There is no center of the universe.


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    double post
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    presumably the earth rotates fastest at the equator, but that's about as far as I can take this problem:-)
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  6. #5  
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    Maybe in a spacecraft in orbit would be the answer.
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    Quote Originally Posted by dan hunter View Post
    What center of the universe? There is no center of the universe.
    yeah I get that but I'm working under the assumption that the universe is expanding away from the big bang? I realize this is simplistic and am vaguely familier with other theories about the expanding nature of the universe but in either event the universe is expanding so relative to where the solar system is now might be a better way to come to an answer?
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    Quote Originally Posted by dan hunter View Post
    Maybe in a spacecraft in orbit would be the answer.
    basically I would like to know where one might attempt to be the fastest human to date without leaving the atmosphere. Of course it is all relative but would love to hear some ideas backed up by math beyond my own vocation :-)
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    Brassica oleracea Strange's Avatar
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    Quote Originally Posted by shatterproof View Post
    yeah I get that but I'm working under the assumption that the universe is expanding away from the big bang? I
    Everything is moving away from everything else; that is why there is no center. All motion is relative so you neeed decide what point you want to measure the movement of the Earth relative to. The center of the galaxy, maybe?
    ei incumbit probatio qui dicit, non qui negat
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    Universal Mind John Galt's Avatar
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    Chimborazo in the Andes is furthest from the centre of the Earth.
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    ei incumbit probatio qui dicit, non qui negat
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    Quote Originally Posted by John Galt View Post
    Chimborazo in the Andes is furthest from the centre of the Earth.
    But does it's location in the southern hemesphere trump the speed of rotation at the equator?

    Quote Originally Posted by Strange View Post
    Cheers! I had failed to consideer the orbit of the solar system around the Milky Way, and Milky Way's own orbit in it's galactic neigborhood. Now i just need to figure out where on earth you would want to be and at what aproximate time to be traveling in the same direction as the solar system through the Milky Way.
    Last edited by shatterproof; March 4th, 2014 at 11:34 AM.
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    Quote Originally Posted by John Galt View Post
    Chimborazo in the Andes is furthest from the centre of the Earth.
    This is interesting, due to its being closer to the Equator than Mt. Everest, it trumps it, though it is about 2km lower in height wrt. the Earth surface.
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  14. #13  
    nuk
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    You'd want it to be midnight, too, so that the earth's velocity around the sun (30,000 m/s) stacks with your velocity around the earth's axis (around 500 m/s).
    And at whatever point in the year makes those stack with the sun's velocity (200-some-thousand m/s) around the center of the galaxy. No idea when that is, though.

    Oh, and our increased speed around the sun in January probably trumps the midnight thing.
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