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einsteindude einsteindude
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Suppose you slowly, and at constant speed, lift a book weighing 12 N from the floor to a shelf 2 m above the floor. Neglect air resistance.  The work done by you on the book is       

A) zero.       B) 6 joules.       C) 24 watts.       D) 24 joules.       E) 6 watts.
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Conceptual Physical Science

Conceptual Physical Science


Edition: 6th
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mel!811mel!811
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