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WORK, ENERGY, AND POWER
Question #62879
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Question
Given A = Axî + Ayĵ + Azk̂ and B = Bxî + Byĵ + Bzk̂, what is A·B?
A. Ax By + Ay Bz + Az Bx
B. Ax + Bx + Ay + By + Az + Bz
C. Ax Bx + Ay By + Az Bz
D. (Ax + Ay + Az)(Bx + By + Bz)
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