ater drops over 49 m high Niagara Falls at the rate of 6.0 × 10⁶ kg/s. If all the energy of the falling water could be harnessed by a hydroelectric power plant, what would be the plant's power output?
a) 2.94 × 10⁸ W
b) 2.94 × 10⁷ W
c) 2.94 × 10⁹ W
d) 2.94 × 10¹⁰ W
