daylean1958 daylean1958

08-02-2024
Physics

contestada

An installation consisting of an electric motor driving a water pump left 75L of water per second to a height of 4.7m. If the motor consumes a power of 5kW, then the efficiency of the installation is
A. 69%
B. 39%
C. 93%
D. 96%

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