Question:
3 1 05 4 0 15 An engine of a motor pulls up a 20 kg mass
Last updated: 6/13/2023
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