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  3. 3 1 05 4 0 15 an engine of a motor pulls up a 20..

3 1 05 4 0 15 An engine of a motor pulls up a 20...

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Physics

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3 1 05 4 0 15 An engine of a motor pulls up a 20 kg mass slowly through a height of 10 min 10 s The power consumption of the engine if it works at an efficiency of 60 is g 10 m s 1 200 W 2 666 6 W 3 600 W 4 333 3 W er

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