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xxcynthistxx
20.11.2019 •
Mathematics
Use green's theorem to find the work done by the force f(x, y) = x(x + y) i + xy^2 j in moving a particle from the origin along the x-axis to (4, 0), then along the line segment to (0, 4), and then back to the origin along the y-axis.
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Ответ:
By Green's theorem, the work done by
over the path (call it
) is
(where
denotes the region bordered by
)
Ответ:
t / (x + 10) = 3
x = 15