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U N I V E R S I T Y O F W I N D S O R DEPARTMENT OF PHYSICS 64-140 Final Examination Time: 3 hours December 16, 2005 N a m e : Student ID No: DO NOT OPEN UNTIL INSTRUCTED. NO CELL PHONES OR OTHER ELECTRONIC DEVICES ALLOWED. INSTRUCTIONS: Each student must write in the seat assigned to them, and no papers or places may be changed. If a student is found to be in a place not assigned to them, they will be given a new test and will lose the time that they have already used. Answer all the questions . Questions 1 to 21 are multiple choice and are worth 2 marks each. Circle the letter with the correct answer . 2 marks will be received for those questions in which the correct answer is circled AND the calculations which led correctly to that answer are in the space provided on the exam paper. No marks will be given for a correctly guessed answer with no calculations or explanation . 1 mark will be given for a correct method but with a minor error. Questions 22 and 23 are each worth 8 marks and part marks will be given. Full marks will only be given if it is shown how the correct answer was obtained from the given data, and the handwriting can be read. Only the approved Faculty of Science calculators, the Sharp EL- 509VHB, EL-531VB, EL-531WB, the Texas Instruments TI-30Xa, TI- 30Xa Solar, TI-30X IIS and TI- 30X IIB , may be used in tests or the final examination. All other calculators will be removed. Failure to obey this regulation constitutes cheating. No paper or any other assistance will be allowed in the Examination. The Exam is closed book, closed notes and no formula sheet will be allowed. No notes, books, formula sheets, scrap paper or any other material may be used except that supplied by the invigilator. Students may write in pen or pencil. All rough calculations must be done in the exam book. The exam book must be handed in intact with no pages or staples removed. Use the following constants. g = 9.80 m/s 2 0 ° C = 273.15 K Atmospheric Pressure = 101.3 kPa
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1. A car slows down uniformly at 1.50 m/s 2 over a distance of 80.0 m from an initial speed of 21.0 m/s. Calculate the time taken for this to occur. (a) 23.5 s (b) 4.55 s (c) 8.61 s (d) 3.26 s (e) 32.7 s 2. The position of an object travelling in a straight line is given by x = 15 t 2 – 3 t 3 + 7 where all quantities are in SI units. Calculate the average velocity of the object over the period from
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This note was uploaded on 11/04/2009 for the course PHY 140/141 taught by Professor Atkinson during the Spring '09 term at Windsor.

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