Exam-1A-K10 - Name (printed): _ PHY317K September 21, 2010...

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Name (printed): __________________________ PHY317K September 21, 2010 Signature: _______________________ Exam 1 Unique number 57035 Instructions: No notes, textbooks, or similar aids are permitted. You may use a calculator. Use the scantron answer sheet to provide the answers. Write and bubble your name and UT EID carefully. Mark the answer sheet using #2 pencil. Mark only one answer per problem. If you need another scantron, ask the instructor. There are 16 problems on the exam. A correct answer is worth 100/16 = 6.25 points. An incorrectly answered problem is worth 0 points. You must complete this exam during the class period. For this exam, always assume g = 10 m/s 2 . Any questions you may have about the test have to be directed to the instructor or a TA. No conversations and/or collaborative work are permitted. You may use the back sides of the exam pages as scratch paper for calculations as needed. Some equations and other information that may be useful on this exam are provided on the last sheet of the handout. You may not ask questions about anything on this sheet. You may detach it from the exam, but will have to return it with the rest of the exam handout at the end of the exam. You must turn in this complete exam handout (all pages, including the equation sheet) at the end of the exam. Put your printed name and signature in the indicated areas on the cover page. Page 1
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1. A block of mass 5.0 kg is suspended by a rope from the ceiling of an elevator. The elevator (and the block) is accelerating downward at 3.0 m/s 2 . The tension force of the rope on the block is: A) 0 N B) 15 N C) 35 N D) 65 N E) none of these 2. A firefighter weighing 800 N slides down the 6.0 m pole in the firehouse. He grips the pole in a way that creates a frictional force of 740 N, which is constant as he slides down the pole. Approximately what is his speed when he reaches the bottom?
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This note was uploaded on 01/19/2012 for the course CH 101 taught by Professor Sutcliffe during the Spring '08 term at University of Texas.

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Exam-1A-K10 - Name (printed): _ PHY317K September 21, 2010...

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