Electrical Energy: 30-Day Output from Coal Plant

AI Thread Summary
The discussion revolves around calculating the total electrical energy generated by a coal power plant over 30 days, with the plant producing 700 MW of electrical power and discharging 1162 MW as waste heat. The initial calculation mistakenly included waste heat in the total energy output, leading to confusion. The correct approach focuses solely on the electrical energy generated, which is 700 MW. The user ultimately resolves their misunderstanding and acknowledges receiving the necessary help. The conversation highlights the importance of distinguishing between generated energy and waste heat in energy calculations.
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Homework Statement



A power plant burns coal and generates an average of 700.0 Megawatts (MW) of electrical power while discharging 1162.00 MW as waste heat. Find the total electrical energy generated by the plant in a 30-day period.

Homework Equations



W = J/sec

The Attempt at a Solution



Total of, 1862 MW, which are 1.862x10^9 W.
In 30 days there are 2.592x10^6 seconds.

So,
1.862x10^9 * 2.592x10^6 = 4.826x10^15 J.

I don't know why it's incorrect. This is a question from an online learning system, and it tells me this answer is wrong. Would love some help.
 
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What is your definition of waste heat?
 
Where do you see the 1862 ? It asks for generated electrical energy !?
 
gneill said:
What is your definition of waste heat?

Oh wow, I don't know why I did that. I got all the answers now, thanks!
 
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