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#1
07-15-2005, 01:57 PM
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Re: Quick Rando Question : Fair Coin
The coin doesn't have to be thick, you just have to flip it in zero gravity. If that's too much trouble, flip it in a liquid with density equal to the coin's density.
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#2
07-15-2005, 03:04 PM
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Re: Quick Rando Question : Fair Coin
[ QUOTE ]
The coin doesn't have to be thick, you just have to flip it in zero gravity. If that's too much trouble, flip it in a liquid with density equal to the coin's density. [/ QUOTE ] I disagree. The vast majority of the time, the coin's first contact with the ground will be at an angle (to its sides). It will then bounce until coming to rest on a side. Because of the shape, it's center of gravity will almost always direct it to one of the larger sides. Scott Edit: The odds of it's initial contact being on a flat side, and thus not bouncing significantly, are also enormously higher for the larger sides.
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#3
07-18-2005, 12:45 AM
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Re: Quick Rando Question : Fair Coin
Except that it doesn't really come to rest. It stops moving, but there's no reason to expect it will be flat against a surface.
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#5
07-19-2005, 04:19 PM
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Re: Quick Rando Question : Fair Coin
Is it landing on carpet or concrete? Is it made of soft metal or is it extremely brittle?
I'll guess 2/5 of it's diameter. Naw, make that 3/5 - I don't want the coin to topple over too easily before it comes to rest.
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