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13a
![A heat engine does 10 J of work per cycle while exhausting 30 J of waste heat. What is the engines
thermal efficiency?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fedbbbdd2-f33d-494b-9510-b218b96e9380%2F418b78ad-2945-4f0b-8b4a-ac693f8d637e%2Fxvs2zd_processed.png&w=3840&q=75)
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