Re: Stop using calories?

[herbgottlieb@juno.com]

 LUDWIK KOWALSKI  writes:
> To my taste c=1 cal/(g*C) is more "natural" than 4186 J/(kg*C). If a 
> student asks "why 1?" I would say because it is the most simple way they

> agreed upon." The answer to "why 4186?" is not that simple.

The value 4186 J/kg*C is a bit too high. It should be 4.186 J/kg*C.  To
one significant figure it is only 4 J/kg*C.  What would you say if the
student asks why 4?

I would say that the student should measure the value and report to the
class tomorrow.

Herb Gottlieb from New York City
(Where  J = 4.2 joules/kilocalorie-degree celsius)