Practice Midterm 2

Practice Midterm 2 - Introduction to Mechanics and...

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Introduction to Mechanics and Thermodynamics C1401 Fall 2005 Midterm 1 (10/6/05) There are 75 minutes permitted for the complete examination. Use the exam book for your answers. Do not discuss the exam at any time. The exam is closed book, but you are allowed to bring one letter size note sheet which must be an original copy (no Xeroxes) in your handwriting. The note sheet must be handed in with the exam blue book. For full credit, please answer the questions in a transparent way. Note that points will be subtracted if units are missing in the calculations or the ±nal result, and if an excessive number of insigni±cant ±gures is given. Good luck ! (Page 1 of 3)
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Problem 1 (10 points) A chain of length L = 26 cm and mass m = 14 g is held on a frictionless table with a third of its length hanging over the edge. How much work is required to pull the hanging part back onto the table ? Problem 2 (10 points) A rescue plane Fies at 198 km / h and a constant elevation of 500 m toward a point directly
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This lab report was uploaded on 04/07/2008 for the course PHYS 1493 taught by Professor Lab during the Fall '08 term at Columbia.

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Practice Midterm 2 - Introduction to Mechanics and...

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