Physics, 04.05.2021 14:00 kennyq321

a crane lifts four pallets of bricks each of which weigh 5000 N. the crane lifts each pallet a height of 30m. the crane takes 4 minutes to do this how much useful power did the crane produce to life the bricks?

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a crane lifts four pallets of bricks each of which weigh 5000 N. the crane lifts each pallet a heigh...