Phys121 M2 2010

Phys121 M2 2010 - Phys121/S10/Hassam/Midterm 2 Name: _...

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Phys121/S10/Hassam/Midterm 2 Name: ________________________________ (write name on every page) Signature: ______________________________ Section Number: ______________________________ Seat Number: ______________________________ 1. Closed Book. Only 1 sheet of paper (double sided) allowed 2. Put final answers into the boxes provided. Show essential work next to box. 3. Use reverse sides for scratch work. 4. After you finish the exam, write and sign the Honor Pledge in the box below: “I pledge on my honor that I have not given or received any unauthorized assistance on this exam” g = 9.8 m/s 2 Problem Maximum score Actual Score 1 10 2 15 3 15 4 20 5 20 6 20 TOTAL 100
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Problem 1 Last Name: _________________ While keeping your food cold, your refrigerator transfers energy from the inside to the surroundings. Thus thermal energy goes from a colder object to a warmer one. What can you say about this? (Circle one) 1. It is a violation of the second law of thermodynamics. 2.
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This note was uploaded on 12/28/2011 for the course PHYSICS 121 taught by Professor Shawhan during the Spring '10 term at Maryland.

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Phys121 M2 2010 - Phys121/S10/Hassam/Midterm 2 Name: _...

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