Water falls from a height of 60 m at the rate of 15 kg/s to operate a turbine. The losses due to frictional force are 10% of the input energy. How much power is generated by the turbine?
(g = 10 m/s2)
(1) 7.0 kW
(2) 10.2 kW
(3) 8.1 kW
(4) 12.3 kW
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