A heat engine does 30.0 J of work and exhausts 35.0 J of wasteheat during each cycle.Part AWhat is the engine's thermal efficiency?Express your answer as a percentage.46.2 %SubmitCorrectPart BPrevious AnswersIf the cold-reservoir temperature is 30.0 °C, what is the minimum possible temperature in °C of the hot reservoir?Express your answer in degrees Celsius.—| ΑΣΦ383.35?°C

Answered: Image /qna-images/answer/da44159e-21e3-42ba-9bed-a589e4d9ac90.jpg

A heat engine does 30.0 J of work and exhausts 35.0 J of waste heat during each cycle. ▼ Part A What is the engine's thermal efficiency? Express your answer as a percentage. 46.2 % Submit Previous Answers Correct Part B If the cold-reservoir temperature is 30.0 °C, what is the minimum possible temperature in °C of the hot reservoir Express your answer in degrees Celsius. 96 [ΨΕΙ ΑΣΦ ?

A heat engine does 30.0 J of work and exhausts 35.0 J of waste heat during each cycle. ▼ Part A What is the engine's thermal efficiency? Express your answer as a percentage. 46.2 % Submit Previous Answers Correct Part B If the cold-reservoir temperature is 30.0 °C, what is the minimum possible temperature in °C of the hot reservoir Express your answer in degrees Celsius. 96 [ΨΕΙ ΑΣΦ ?

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter18: Heat Engines, Entropy, And The Second Law Of Thermodynamics

Section18.1: Heat Engines And The Second Law Of Thermodynamics

Problem 18.1QQ: The energy input to an engine is 3.00 times greater than the work it performs. (i) What is its...

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