May 5th, 2017, 08:24 PM  #11 
Senior Member Joined: Sep 2015 From: CA Posts: 1,207 Thanks: 615  In this case, truth is in the eye of the person who wrote the question.
Last edited by skipjack; May 6th, 2017 at 05:17 AM. 
May 6th, 2017, 12:03 AM  #12 
Senior Member Joined: Nov 2010 From: Indonesia Posts: 1,176 Thanks: 111  
May 6th, 2017, 05:05 AM  #13 
Math Team Joined: Dec 2013 From: Colombia Posts: 6,700 Thanks: 2177 Math Focus: Mainly analysis and algebra 
Temperature is a measure of energy. A conceptually "correct" scale should equate the meaurement to the magnitude of the energy. Scales not having zero at 0 Kelvin don't do this.

May 7th, 2017, 06:34 PM  #14 
Senior Member Joined: Nov 2010 From: Indonesia Posts: 1,176 Thanks: 111 
So, it's 803.45 degrees Celcius?

May 7th, 2017, 09:33 PM  #15 
Math Team Joined: Dec 2013 From: Colombia Posts: 6,700 Thanks: 2177 Math Focus: Mainly analysis and algebra 
That's my opinion, yes.

May 7th, 2017, 09:41 PM  #16 
Math Team Joined: Oct 2011 From: Ottawa Ontario, Canada Posts: 9,080 Thanks: 624 
Hey Mr.Fly, why don't you move here: How Hot is Mercury? 
May 7th, 2017, 11:15 PM  #17 
Senior Member Joined: Apr 2014 From: UK Posts: 748 Thanks: 284  You could, but you'd end up with the same answer but for that scale, using kelvin to calculate is correct because you have absolute zero and temperature is linear, all other temperature scales (unless you design log ones) will be some multiplication and offset from that. I don't think I've explained that very well, can someone help?

May 7th, 2017, 11:38 PM  #18  
Senior Member Joined: Sep 2015 From: CA Posts: 1,207 Thanks: 615  Quote:
This is what Archie mentioned a few posts back.  
May 8th, 2017, 04:08 AM  #19 
Global Moderator Joined: Oct 2008 From: London, Ontario, Canada  The Forest City Posts: 7,475 Thanks: 886 Math Focus: Elementary mathematics and beyond 
The temperatures are akin to vectors in the sense that 4 is a vector in the negative x direction with a magnitude of 4. With that, 4 times hotter than 4 is 12 degrees C.

May 8th, 2017, 04:59 AM  #20 
Math Team Joined: Dec 2013 From: Colombia Posts: 6,700 Thanks: 2177 Math Focus: Mainly analysis and algebra 
So 100 times colder than $0^\circ C$ is $0^\circ C$? I don't buy it.


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