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why do bigger animals use energy more efficiently than smaller ones?
 one year ago
 one year ago
why do bigger animals use energy more efficiently than smaller ones?
 one year ago
 one year ago

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msumnerBest ResponseYou've already chosen the best response.0
\[E=M^{\frac{ 3 }{ 4 }}\]
 one year ago

modphysnoobBest ResponseYou've already chosen the best response.1
dw:1364609079923:dw
 one year ago

modphysnoobBest ResponseYou've already chosen the best response.1
dw:1364613658132:dw
 one year ago

modphysnoobBest ResponseYou've already chosen the best response.1
by the way , I think you meant to say dw:1364614621701:dw
 one year ago

msumnerBest ResponseYou've already chosen the best response.0
it is an equation provided from the fractal study of energy consumption efficiency by mass
 one year ago

modphysnoobBest ResponseYou've already chosen the best response.1
because unit for mass and energy doesn't match up hence they can equal each other
 one year ago

msumnerBest ResponseYou've already chosen the best response.0
http://eeb37.biosci.arizona.edu/~brian/West_Brown_Enquist_1997.pdf http://research.unm.edu/quantum/quantum05/threequarterpower.html
 one year ago

msumnerBest ResponseYou've already chosen the best response.0
so our M is not mass :X since mass is small m in physics
 one year ago

modphysnoobBest ResponseYou've already chosen the best response.1
http://en.wikipedia.org/wiki/Kleiber's_law q0 ~ M¾.
 one year ago

Nubia9811Best ResponseYou've already chosen the best response.0
Because Bigger animals need more energy to survive and smaller animals don't need as much because of their size.
 one year ago

msumnerBest ResponseYou've already chosen the best response.0
no… M is still mass in that equation E is the energy consumption in calories? if we say that is the rate of metabolism (q) then what amount of energy required  how much calorie per gram? I think I stumbled on a very complicated living system processes :/ and may need a decade to get to fully understand
 one year ago

msumnerBest ResponseYou've already chosen the best response.0
@Nubia9811 we know that bigger animals require more energy, but we are talking about the rate of efficiency. Meaning that big animals, like elephant, use energy more efficient than small ones like mouse. Let us say we need 10,000 mouse to be the same mass of an elephant, the sum of consumption of energy will be higher for the mouse compared to one elephant though they of the same mass.
 one year ago

modphysnoobBest ResponseYou've already chosen the best response.1
plot of e=m^(3/4) http://www.wolframalpha.com/input/?i=Plot%5Bx%5E%283%2F4%29%2C%7Bx%2C0%2C50%7D%5D
 one year ago

msumnerBest ResponseYou've already chosen the best response.0
can you do that alongside where E=M?
 one year ago

modphysnoobBest ResponseYou've already chosen the best response.1
yes, http://www.wolframalpha.com/input/?i=Plot%5Bx%2Cx%5E%283%2F4%29%2C%7Bx%2C0%2C5000%7D%5D of course , we can see , it is much lower as mass increase
 one year ago

modphysnoobBest ResponseYou've already chosen the best response.1
yes, we have to look for as mass get really big
 one year ago

msumnerBest ResponseYou've already chosen the best response.0
now let us focus on the question: why?
 one year ago

modphysnoobBest ResponseYou've already chosen the best response.1
that would be a deep question , wouldn't it?
 one year ago
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