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itsmarasilly
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Homework Statement
A student librarian picks up a 2.2 kg book from the floor to a height of 1.10 m. He carries the book 7.9 m to the stacks and places the book on a shelf that is 0.35 m above the floor. How much work does he do on the book?
Homework Equations
work=force(netdisplacement)=mg*(.35)
The Attempt at a Solution
work = ?(7.9-1.1)
work = ?(6.8) = 2.2(.35)