A 50% efficient hydroelectric power plant generates electricity from water falling a height of 110 m and at a rate of x kg/s. If the maximum possible power output of the plant was 37.0 MW, what is x?
A. 25,000 kg/s
B. 50,000 kg/s
C.100,000 kg/s
D. 69,000 kg/s
E. 510,000 kg/s
