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(, Sun 1 Apr 2001, 1:00)
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moving one lump of stuff from point a to point b always requires the same amount of energy if all things are equal.
.... I'm confusing myself now.
(, Mon 18 Apr 2011, 10:05, 1 reply, 15 years ago)
It's the same as walking up a slope versus stairs. Stairs are apparently more efficient.
(, Mon 18 Apr 2011, 10:07, Reply)
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