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Lect23-Phys172s11-(12.1-12.2-Entropy)

# Lect23-Phys172s11-(12.1-12.2-Entropy) - PHYS 172 Modern...

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Spring 2011 PHYS 172: Modern Mechanics Lecture 23 – Entropy: limits of the possible Read 12.1-12.2 EXAM 3 is tomorrow Time: 8:00-10:00 pm Wed Apr 13th Place: Elliott Hall Material: lectures 15-22 and respective HWs note: i.e. HW 15 – HW 22 are covered! Problems: multiple choice, 14 questions (70 points) write-up part, hand graded (30 points) Equation sheet : provided Practice exam: was posted Note: no lecture on April 14th Exam 3 Do not forget that HW22 is also covered in exam! Write-up section: Detailed solution must be provided to receive full credit. Writing just an answer may receive 0 points. - Identify principle used, system/surrounding, approximations if necessary - Write down only relevant equations and clearly identify variables - Pay attention to vectors, if a variable is vector – mark it accordingly - Physical quantities have units! - Derivation, if needed, should be provided - If you provide two solutions we will pick the one with more errors Suggestion for multiple choice part and write-up: - Do not skip even simple steps in solutions - Draw relevant diagrams and use them to check the answers (for example

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Lect23-Phys172s11-(12.1-12.2-Entropy) - PHYS 172 Modern...

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