Question
Physics Question on work, energy and power
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)
A
7.0 kW
B
10.2 kW
C
8.1 kW
D
12.3 kW
Answer
8.1 kW
Explanation
Solution
The correct answer is option (C) : 8.1 kW