Physics, 27.03.2021 17:40, noobgirlaskthequest

A conveyor does 789 joules of work to lift products 7 meters. If the conveyor uses 900 joules of energy (work input), what is the conveyor’s efficiency?

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A conveyor does 789 joules of work to lift products 7 meters. If the conveyor uses 900 joules of en...