A student librarian picks up a 22 kg book from the floor to

Reference no: EM13639404

A student librarian picks up a 2.2 kg book from the floor to a height of 1.50 m. He carries the book 7.8 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?

Reference no: EM13639404

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