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Asians pommel horse - Amazing
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rubberhose
| Rank #25531 on Comments  Level 0 Comments: Untouched account Offline  Send mail to rubberhose Block rubberhose Invite rubberhose to be your friend |
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latest user's comments
| #750 - Norway and Sweden have some of the most successful prison syst… | 05/11/2013 on Norwegian Prison | 0 |
| #150 - I guess from an outside perspective it seems pretty bad. But, … | 04/04/2013 on And Then There's Canada | 0 |
| #34 - .. our galaxy IS in space? | 03/07/2013 on When Two Galaxies Collide | 0 |
| #38 - melikeyourpicture. | 03/07/2013 on mimes | 0 |
| #59 - yeah, but it depends on the radius at which you're looking at.… [+] (1 new reply) | 03/06/2013 on Science of the Week | 0 |
 #60
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allamericandude (03/07/2013) [-] Yeah, that's probably what they did. Find the circumference of the black hole, and divide it by the time it takes to make one rotation. | ||
| #20 - yeah, but you can't quantify the rate at which something spins… [+] (3 new replies) | 03/06/2013 on Science of the Week | +2 |
| #39
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allamericandude (03/06/2013) [-] Actually, you can--just remember Calculus: If you zoom in on a curve, it starts to look like a straight line. So you can approximate the rotational speed of an object in terms of linear speed if you can calculate the speed of a point on the object's surface over a very short distance. #59
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rubberhose (03/06/2013) [-] yeah, but it depends on the radius at which you're looking at. the tangential speed near the center -> 0, while the outside will go proportionally as r increases. so there's no real way to objectively quantify rotational speed in terms of light years unless you're talking about a specific radius, in which case it's safe to assume the radius is the outside of the star. #60
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allamericandude (03/07/2013) [-] Yeah, that's probably what they did. Find the circumference of the black hole, and divide it by the time it takes to make one rotation. | ||
| #16 - how on earth does something 'spin' at the speed of light? [+] (6 new replies) | 03/06/2013 on Science of the Week | +2 |
| #57
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N. Korean citizen (03/06/2013) [-] Step one - Be not on Earth Step two - Spin really fast Step Three - Profit  #18
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sexybeeftacoghost (03/06/2013) [-] Well it moves like earth does (spinning) and i goes really fast at it. #20
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rubberhose (03/06/2013) [-] yeah, but you can't quantify the rate at which something spins using the terminology for linear speed. it's like measuring weight in m^3 #39
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allamericandude (03/06/2013) [-] Actually, you can--just remember Calculus: If you zoom in on a curve, it starts to look like a straight line. So you can approximate the rotational speed of an object in terms of linear speed if you can calculate the speed of a point on the object's surface over a very short distance. #59
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rubberhose (03/06/2013) [-] yeah, but it depends on the radius at which you're looking at. the tangential speed near the center -> 0, while the outside will go proportionally as r increases. so there's no real way to objectively quantify rotational speed in terms of light years unless you're talking about a specific radius, in which case it's safe to assume the radius is the outside of the star. #60
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allamericandude (03/07/2013) [-] Yeah, that's probably what they did. Find the circumference of the black hole, and divide it by the time it takes to make one rotation. | ||
| #51 - .. the responsible for the cemitery said that the dog ... … | 03/06/2013 on This is one of the saddest... | -1 |
| #85 - so sweet, so beautiful. | 03/06/2013 on Boner hiding apparatus | 0 |
| #33 - Yoga is actually an extremely good form of exercising for rock… | 03/06/2013 on The Truth. | +2 |
