211 (S07) Exam #2a

211 (S07) Exam #2a - Second Exam (March 6, 2007) Physics...

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(Spring 2007) Second Exam (March 6, 2007) Name Section Number: 1 or 2 (circle your section) Signature Print your name, sign your name, and provide your section number LEGIBLY in the spaces provided above. This part of the exam consists of five questions, each consisting of several parts of varying difficulty. If you cannot do one part, move on to the next. Show your line of reasoning; a final answer in itself is not sufficient. To get full credit, you must show CLEARLY how you obtained your answers. Please CIRCLE YOUR ANSWERS, and always STATE THE UNITS if appropriate. If you need more space, use the back of the sheet. If you are confused about a question, PLEASE ASK for an explanation. THIS IS A CLOSED BOOK EXAM . DO NOT OPEN THE EXAM BEFORE 7:15 PM COMPLETED EXAMS WILL NOT BE ACCEPTED AFTER 9:00 PM Equations Newton’s Laws: Second Law Σ r F = m r a Third Law If #1 exerts a force on #2, then #2 exerts an equal and opposite force on #1. Friction: f s μ s N f k = k N Centripetal acceleration: r a cent = v 2 R toward center of circle . tan 37° = 0.75
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This document was uploaded on 10/29/2011 for the course PHSX 211 at MSU Bozeman.

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211 (S07) Exam #2a - Second Exam (March 6, 2007) Physics...

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