14.3 - MasteringPhysics: Assignment Print View

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Ch14_3 Due: 10:00pm on Wednesday, December 8, 2010 Note: You will receive no credit for late submissions. To learn more, read your instructor's Grading Policy [ Switch to Standard Assignment View] You should make a serious attempt at these problems before your December 8 workshop. You only have a couple of hours after the work shop to make final adjustments before the due time !! You will do poorly in the work shop if you are unprepared. !! If you need help consult the Help Blog and/or visit the help room. Problem 11.49 A heat engine with a high-temperature reservoir at 450 has an efficiency of 0.23. Part A What is the maximum possible temperature of the cold reservoir? Express your answer using two significant figures. ANSWER: = 350 Correct Problem 11.50 A heat engine does 20 of work and exhausts 15 of waste heat during each cycle. Part A What is the engine's thermal efficiency? Express your answer using two significant figures. ANSWER:
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This note was uploaded on 03/06/2011 for the course PHY 121 taught by Professor Stephens during the Spring '08 term at SUNY Stony Brook.

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14.3 - MasteringPhysics: Assignment Print View

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