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tatyana61 [14]
4 years ago
6

A crane with output power of 200w lift a 600N object a vertical distance of 4 meters in how many seconds

Physics
1 answer:
bulgar [2K]4 years ago
3 0
1 w = 1N/s the change in total energy =mgh = 600*4 = 2400N. 2400N/200N/s = 12seconds
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