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Physics, 12.02.2021 01:50 juliaduenkelsbu

A workman carries some lumber up a staircase. The workman moves 9.6m vertically and 22m horizontally. If the lumber weighs 45N. How much work was done by the workman?

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A workman carries some lumber up a staircase. The workman moves 9.6m vertically and 22m horizontally...

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