A nuclear power plant is 25% efficient, meaning that only 25%of the power it gen

Question

A nuclear power plant is 25% efficient, meaning that only 25%of the power it generates goes into producing electricity. Theremaining 75% is wasted as heat. The plant generates 8.0 ×108 watts of electric power. If each fission releases2.0 × 102 MeV of energy, how many kilograms of23592U are fissioned per year?

I know that you have to get the total power generated. (8.0 x 108 W) x 25% The answer I calculate is 2.0 x 108 W, but tutors Iam working with are saying the answer is 3.2 x 109 W.Also if I use my answer it does not calculate. Am I missing something or calculating something wrong? A nuclear power plant is 25% efficient, meaning that only 25%of the power it generates goes into producing electricity. Theremaining 75% is wasted as heat. The plant generates 8.0 ×108 watts of electric power. If each fission releases2.0 × 102 MeV of energy, how many kilograms of23592U are fissioned per year?

I know that you have to get the total power generated. (8.0 x 108 W) x 25% The answer I calculate is 2.0 x 108 W, but tutors Iam working with are saying the answer is 3.2 x 109 W.Also if I use my answer it does not calculate. Am I missing something or calculating something wrong?

Explanation / Answer

8 x 108 W = 25% x P = P/4 P = 32 x 108 = 3.2 x 109 W

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