Water falls down a 500.0 m shaft to reach a turbine which generates electricity.How much water must fall per second in order to generate 1x10 9 watts of power?(Assume 50% efficiency of conversion and g = 10 m/s2 ) Share with your friends Share 7 Shobhit Mittal answered this Dear Student, for the generation of 109 W we required power input of 2*109 W.water fall persecond be m mgh=2*109m=2*10910*500=4*105 kgRegards -3 View Full Answer