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Question

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JTL
Posts: 2275 - Karma: 338
if it is zero degrees out and it is twice as cold the next day, what temperature is it the next day?
Mar 30 2009 6:45PM
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Crack.
Posts: 6020 - Karma: 84
273K
Mar 30 2009 6:52PM
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killabees
Posts: 8558 - Karma: 494
42
Mar 30 2009 7:18PM
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steezeandskis
Posts: 646 - Karma: 21
so 0 degrees equals 273 kelvin.  so set 273=2*cold so cold equals 136.5 Kelvin. 
Mar 30 2009 7:22PM
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SethLangbauer
Posts: 1119 - Karma: 74
0
Mar 30 2009 7:31PM
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ski@jaypeak2
Posts: 2802 - Karma: 429
There is not enough information given.  Twice as cold?  what the fuck does that mean?  Cold is an adjective.  If it was forty degrees today and it was twice as cold tomorrow would it be 20 degrees?  or would it be -40.  I dont think that makes sense
Mar 30 2009 7:55PM
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Kitzrow
Posts: 574 - Karma: 94
bahaha why would -40 be twice as cold as 40..?
Mar 30 2009 7:57PM
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jedi.Jim
Posts: 1133 - Karma: 13
pwn3d
Mar 30 2009 7:57PM
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user098123
Posts: 6072 - Karma: 18
We need to know what scale you are using haha. If it's fahrenheit then conversion is needed. If it's celcius then the next day it would be 273K times 2, which would be like 273 degrees and not possible haha.
Mar 30 2009 7:58PM
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statuswhitegirl
Posts: 4058 - Karma: 883
0x0=0
math
Mar 30 2009 7:59PM
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Scott~
Posts: 2551 - Karma: 49
Cold is relative to the test, so fuck off~
Mar 30 2009 7:59PM
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JTL
Posts: 2275 - Karma: 338
i just saw it on facebook and i wanted to see if anyone heard it before and knew the answer
Mar 30 2009 8:00PM
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Scott~
Posts: 2551 - Karma: 49
test subject rather~
Mar 30 2009 8:00PM
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Jordan
Posts: 4079 - Karma: 2,122
That was ignorant.
Mar 30 2009 8:01PM
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Dustin.
Posts: 13839 - Karma: 7,704
Dumb question.  You need to establish a "0 level" or something, otherwise it's just an ambiguous question.
Mar 30 2009 8:03PM
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ski@jaypeak2
Posts: 2802 - Karma: 429
Well if 0 is your base then 20 degrees would be half as cold.  The distance from 40 to 0 is once and then 0 to -40 is twice as cold.
Mar 30 2009 8:03PM
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Jordan
Posts: 4079 - Karma: 2,122
I mean its actually 145.43 degrees celsius bellow zero.
Mar 30 2009 8:09PM
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Jordan
Posts: 4079 - Karma: 2,122
False, you convert the fahrenheit to celsius then to Kelvin.
Mar 30 2009 8:11PM
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s_a_m
Posts: 916 - Karma: 58
its fucking cold
Mar 30 2009 8:12PM
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ClownPrince
Posts: 500 - Karma: 10
It has to be something like this. In the Celsius scale, like people already said, it makes no sense to say "twice as cold" because there is no zero level. Kelvins give you absolute zero, where (theoretically) all molecular motion stops, so you can kind-of compare things like this.
 
In reality though, it does depend a lot on perception and such, so it's not a great scientific question.
Mar 30 2009 8:16PM
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Jordan
Posts: 4079 - Karma: 2,122
http://www.usatoday.com/weather/resources/askjack/twice-as-cold-as-zero.htm

There, everyone shut the fuck up haha.
Mar 30 2009 8:19PM
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steezeaholic.
Posts: 894 - Karma: 39
zero degrees?
Mar 30 2009 8:25PM
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steezeandskis
Posts: 646 - Karma: 21
im closest so i win
Mar 30 2009 8:58PM
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ski@jaypeak2
Posts: 2802 - Karma: 429
Alright i guess i didnt word it right but i am studying for my statistical analysis test right now and the reason one can not say "twice as cold" is because temperature is INTERVAL data.  quote from the book, "if the low temperature for the day was 40F and the high was 80F, can we say that the temperature was twice as hot(represents twice the heat) as the low temperature? NO.  If we convert those temps to Celsius, the low was 4.4C and the high was 26.6C, a much different ratio.  thus we cannot compare the absolute magnitude of interval scales."

One could argue that by converting the data into K units an absolute zero is present (the absence of heat)  this transforms the data into RATIO data.  Then such conclusions maybe drawn.


sorry ive been studying way too long and this reminded me of my earlier comments
Mar 31 2009 12:43AM
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Ben.
Posts: 21463 - Karma: 683
you shouldnt say cold anyway. things arent cold. they lack heat.
Mar 31 2009 12:53AM
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Tinga
Posts: 11349 - Karma: 2,333
temperature isnt a ratio scale so we can't measure in ratios. but if we could measure the speed at which the particles are moving that gives us the temperature we could figure it out.
Mar 31 2009 1:00AM
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hoodSlayer
Posts: 900 - Karma: 7
r u in mensa
Mar 31 2009 1:02AM
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