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OpenStudy (anonymous):
A force ~F = 2i -5j N acts on an object that moves from r1 = 7i - 8j + 2k m to a new position r2 = 5i - 4j + 5^k m. The work done by F is 1. 24 j 2. 0 J 3. 24 J 4. -24 J 5. 15 J
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