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02-06-2022
Physics

contestada

A crane does exactly 1800 J of work to lift a steel beam from the ground. The beam is accidentally dropped and falls back to its starting position in 0.9 s. What is the mass of the beam

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jeffreypelumi jeffreypelumi

02-06-2022

Answer:

Explanation:

1800x0.9=1620kg

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