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Physics, 20.09.2019 01:30 katerrickt
Paul lifts a sack weighing 245 newtons vertically from the ground and places it on a platform at a height of 0.7 meters. if he takes 10 seconds to do this task, what power has he expended during this time?
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Paul lifts a sack weighing 245 newtons vertically from the ground and places it on a platform at a h...
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