May 5th, 2017, 09:24 PM  #11 
Senior Member Joined: Sep 2015 From: Southern California, USA Posts: 1,602 Thanks: 816  In this case, truth is in the eye of the person who wrote the question.
Last edited by skipjack; May 6th, 2017 at 06:17 AM. 
May 6th, 2017, 01:03 AM  #12 
Senior Member Joined: Nov 2010 From: Indonesia Posts: 1,433 Thanks: 118  
May 6th, 2017, 06:05 AM  #13 
Math Team Joined: Dec 2013 From: Colombia Posts: 7,032 Thanks: 2342 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, 07:34 PM  #14 
Senior Member Joined: Nov 2010 From: Indonesia Posts: 1,433 Thanks: 118 
So, it's 803.45 degrees Celcius?

May 7th, 2017, 10:33 PM  #15 
Math Team Joined: Dec 2013 From: Colombia Posts: 7,032 Thanks: 2342 Math Focus: Mainly analysis and algebra 
That's my opinion, yes.

May 7th, 2017, 10:41 PM  #16 
Math Team Joined: Oct 2011 From: Ottawa Ontario, Canada Posts: 10,904 Thanks: 716 
Hey Mr.Fly, why don't you move here: How Hot is Mercury? 
May 8th, 2017, 12:15 AM  #17 
Senior Member Joined: Apr 2014 From: UK Posts: 780 Thanks: 292  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 8th, 2017, 12:38 AM  #18  
Senior Member Joined: Sep 2015 From: Southern California, USA Posts: 1,602 Thanks: 816  Quote:
This is what Archie mentioned a few posts back.  
May 8th, 2017, 05:08 AM  #19 
Global Moderator Joined: Oct 2008 From: London, Ontario, Canada  The Forest City Posts: 7,641 Thanks: 959 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, 05:59 AM  #20 
Math Team Joined: Dec 2013 From: Colombia Posts: 7,032 Thanks: 2342 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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