jackwaltonjw12 jackwaltonjw12

12-04-2024
Physics

contestada

An electric motor is used to lift a weight of 4.0 N through a vertical height of 0.90
The efficiency of the motor is 20%.
What is the electrical power supplied to the motor?
A
0.40W
B 2.0W
C 3.6W
D 10W

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