Physics Help Please! A power plant running at 34 percent efficiency generates 300 MW of electric power.?

2016-11-10T12:46:12Z

At what rate (in MW) is heat energy exhausted to the river that cools the plant?
Q=__MW

sojsail2016-11-10T12:58:11Z

Favorite Answer

Energy used (coal or whatever) = usable energy + energy sent to the river for cooling
efficiency = usable energy/Energy used

Therefore Energy used = usable energy/efficiency
Plug that and the usable energy into the first equation above

alex2016-11-10T12:49:16Z

102MW