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Mon, 22 Jul 2013 14:40:35 -0400 |
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On Mon, Jul 22, 2013 at 1:49 PM, Mike S asked:
> Does it take more energy for the hive to cover and protect 20 sq cm of
> 5.25 cells than 20sq cm of 5.35 cells?
>
Basic physics: ÄH=MS ÄT
Change in heat equals Mass times Specific Heat times Change in
temperature.
Call "20 sq cm of 5.25" Case A and "25 sq cm of 5.35" Case B. The question
then becomes, Which is greater, ÄH=MAS ÄT or ÄH=MBS ÄT ? T and S in this
problem are constant in both cases, so the question boils down to which has
more mass,, Case A or Case B? Obviously a tighter, more condensed pattern
(Case A) has more mass than the more spacious configuration (Case B). So
the answer to Mike's question is, Yes.
Aaron Morris - thinking physics rules!
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