Archive: 7 posts

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This is one I found the other day, so I thought id share it with you: "a man and a turtle are in a kilometer race, the turtle travels at half the speed of the man, so he is given a 100 meter head start. when the race starts, the man runs the hundred meters to catch up with the turtle, but by then the turtle had already move at half the speed of the man and had moved 50 meters forward. And so, the man runs the 50 to catch up with the turtle, however by then the turtle had moved another 25. The man will never catch the turtle. This being correct, in a parallel universe the man wins the race, because he runs the kilometer, and the turtle had only run half of that which is 500 meters, making a total of 600 meters. which is correct?" Does anyone else have any more philosophy puzzles?

2010-06-12 16:53:00 Author: flamingemu Posts: 1872

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That one's not really a philosophical question... But it is a favourite mathsy problem of mine (although I've alwys known it as a a fox chasing a rabbit), in that the beauty of it is simply the way it is described so that it appears that the logic is flawless

2010-06-12 17:06:00 Author: rtm223 Posts: 6497

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The answer is within the spoiler... The second one is correct. In the first, the man isn't even trying to pass the turtle. He is just trying to catch up, thus causing them to slowly approach the 200-m mark until the number of times the division by 2 is made to the distance he travels equals infinity (I think it's infinity).

2010-06-12 17:20:00 Author: Starchy Posts: 353

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The answer is within the spoiler... The second one is correct. It was stated that the speed of the turtle was half that of the man, and speed is a rate determined by distance/time. The first did not include time as a factor, and thus did not correctly determine the distance traveled by the turtle. Close, but not quite The first analysis is simply time limited. The analysis is completely accurate and the distances calculated are correct, but each "step" in the analyisis is carried on a shorter period of time, so that you always avoid hitting the moment in time that the disatances are equal and the man outruns the tortoise. That's why it's so good, the actual calculations are correct

2010-06-12 17:30:00 Author: rtm223 Posts: 6497

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Close, but not quite The first analysis is simply time limited. The analysis is completely accurate and the distances calculated are correct, but each "step" in the analyisis is carried on a shorter period of time, so that you always avoid hitting the moment in time that the disatances are equal and the man outruns the tortoise. That's why it's so good, the actual calculations are correct Yeah, I'd just realized that after I posted. Thanks, though.

2010-06-12 17:32:00 Author: Starchy Posts: 353

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So this is a philosophy question? Well, first, you would try to assess whether the the turtle exists. How can we truly ever know if anything exists, you ask? Well, you don't, and nothing matters. The thought of this sends the man into an existential crisis and he kills himself, but in the parallel universe, he kills the turtle, causing a rip in the space time continuum. Gokmar of the 5th Dimension (http://www.newgrounds.com/audio/listen/337128) appears at the other end of the universe and begins eating the planets, and no one can save you. They tell stories of Bulrog the Sorcerer, a man who, with his devilishly good looks, otherworldly strength, unrivaled intelligence, and vast understanding of magic, ventured back in time (http://www.newgrounds.com/audio/listen/329754) to stop Pong Sho of Nebulon V from taking over the world. (http://www.newgrounds.com/audio/listen/330640) If the world ever needed Bulrog, now was the time. Bulrog the Sorcerer, where are you? To be continued...

2010-06-12 17:49:00 Author: qrtda235566 Posts: 3664

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How can we truly ever know if anything exists, you ask? Well, you don't Not strictly true, I know that I exist Descartes showed us that one.... But then maybe he didn't exist.... *starts quivering and holds breath until pops*

2010-06-12 17:56:00 Author: rtm223 Posts: 6497

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