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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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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

User Dani Medina
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1 Answer

6 votes

Answer:

Step-by-step explanation:

1800x0.9=1620kg

User Saeedn
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