Mathematics

Mathematics, 22.03.2021 18:30, jhunruh6247

a pulley system is being used to lift a 665kg piano to a 23rd floor apartment. if a force of 28000 N is applied by the person lifting the piano how tall is the 23rd floor if it took 133s to move the piano unit from rest on the ground to the 23rd floor?

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a pulley system is being used to lift a 665kg piano to a 23rd floor apartment. if a force of 28000 N...

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