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How much work can be extracted from 5.00 × 10^4 J of heat when 2.00 × 10^4 J of heat is exhausted? A. - 7.00 × 10^4 J B. - 3.00 × 10^4 J C. 3.00 × 10^4 J D. 7.00 × 10^4 J ***thank you:)



Answer :

Giovi
C.
Work=Q(extracted)-Q(exhausted)=3×10^4 J

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