Physics, 30.09.2021 18:30, madpanda55

A coal power station transfers 3.0×10^12 J by heat from burning coal and transfers 1.5×10^12 J by heat into the environment. What is the efficiency of the power station?

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A coal power station transfers 3.0×10^12 J by heat from burning coal and transfers 1.5×10^12 J by he...