Math Problem Statement
Uma máquina térmica de Carnot recebe 500 kJ de calor por ciclo de uma fonte à temperatura de 652 ºC e rejeita calor para um sumidouro à temperatura de 30 ºC. Determine a eficiência térmica dessa máquina. Selecione a resposta: a 67,2%. b 50%. c 72%. d 99%. e 60%.
Solution
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Math Problem Analysis
Mathematical Concepts
Thermodynamics
Carnot Cycle
Temperature Conversion
Formulas
η = 1 - (T_sumidouro / T_fonte)
Theorems
Carnot's Theorem
Suitable Grade Level
Grades 10-12
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