Consider the following mass distribution where the x- and y-coordinates are given in meters: 5.0 kg at (0.0, 0.0) m, 2.8

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Consider the following mass distribution where
the x- and y-coordinates are
given in meters: 5.0 kg at (0.0, 0.0)
m, 2.8 kg at (0.0, 3.6)
m, and 4.0 kg at (3.1, 0.0) m. Where
should a fourth object of 7.5 kg be placed so that
the center of gravity of the four-object arrangement will be
at (0.0, 0.0) m?
x = _____ m
y = _____ m