O que acontecerá ao rendimento de uma máquina térmica se a temperatura da fonte que emite calor for reduzida em relação á fonte que recebe esse mesmo calor?

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Which statement best describes how private industry decides where to spend the money on research and development

Ms. hidalgo opens the door to her classroom. her classroom is 60 degrees and the air outside is 80. predict what will happen using your knowledge of how heat flows.