Physics, 26.02.2021 21:20 selamh1999
A 517kg piano is on the first floor that is 2.4m high. You lift it up and carry it to the 4th floor that is
19m above the ground. How much work did you when you carried the piano from the 1st floor to
the 4th floor?
Answers: 2
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A 517kg piano is on the first floor that is 2.4m high. You lift it up and carry it to the 4th floor...
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