a 45kg box of books is lifted o a bookself 1.75 m above the floor. how much work was done to lift the books?

asked Apr 8, 2020 61.6k views

1 vote

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6 votes

Answer:

770 J

Step-by-step explanation:

W = PE

W = mgh

W = (45 kg) (9.8 m/s²) (1.75 m)

W = 770 J

Iternity answered Apr 15, 2020

6.0k points

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