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09-12-2022
Physics

Answered

One of the most efficient heat engines ever built is a coal-fired steam turbine in the Ohio River valley, operating between 1870 C and 430 C. (a) What is its maximum theoretical efficiency? (b) The actual efficiency of the engine is 42.0%. How much mechanical power does the engine deliver if it absorbs 1.40×10 ^5 J of energy each second from its hot reservoir?

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