Physics, 17.11.2020 01:00 gracekerleyy
Lucy needs to lift a crate to a shelf 20 m high. She does 12,000 J of work on a machine to help her. The machine exerts a force of 500 N to lift the crate.
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Lucy needs to lift a crate to a shelf 20 m high. She does 12,000 J of work on a machine to help her....
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