Quote:
Originally Posted by Piwoslaw
(1) But driving isn't just sitting behind the wheel, it's analyzing the situation, talking on a cell phone, etc. That all takes energy. So the figure should be higher than for sitting in a boat.
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But fishing from a boat isn't just sitting there, it's casting the line, occasionally (unless you're me) reeling in a fish, etc. Plus, of course, some of that "analyzing the situation" - though surprisingly enough, thinking does not take significantly more energy than not thinking.
I don't claim it's a perfect analogue, nor are any of my numbers better than what I could find in a quick search. (Even then, I had to go through a lot of sites giving calories per cup of cooked rice to find a figure for uncooked.) It's just a ballpark calculation to see if the numbers in the original post were reasonable.