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QUESTION
An object with mass 6 kg moves from a location 22, 40, 41m near the Earth's surface to location 27, 11, 38m.
An object with mass 6 kg moves from a location <22, 40, −41>m near the Earth's surface to location <−27, 11, 38>m.
What is the change in the potential energy of the system consisting of the object plus the Earth? (Assume that the +y axis points vertically up from the ground.)
