fall06exam2 - Physics 1710.003 Fall 2006 Examination 2...

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Physics 1710.003 Fall 2006 Examination 2 Name: Student ID #: This test consists of 8 multiple-choice questions and 4 problems. To receive credit for the 4 problems, you must show all of your work on the pages provided. Don’t hand in any extra sheets or other paper. I strongly recommend that you also show your work for the multiple-choice questions. Suggested procedure for solving the problems: 1. Read each problem carefully and make sure you know what is being asked before starting the problem. 2. Draw a figure for the problem. 3. List the parameters given. 4. Write down the equations to be used. 5. Solve for the answer algebraically 6. Substitute numbers into you final equation and circle your answer. WORK THE EASY PROBLEMS FIRST!!
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1. (7 points) A box sits on the back of a flatbed truck. If the coefficient of static friction between the box and the truck bed is μ s = 0.400, what is the shortest distance in which the truck can stop on level ground without the box sliding if it is initially traveling at v = 15.0 m/s? a) 3.92 m b) 6.00 m c) 11.5 m d) 28.7 m e) cannot be determined without knowing the mass of the box 2. (6 points) A constant force F of magnitude 75.0 N acts on an object as it undergoes a displacement d of magnitude 8.00 m along a straight line. If the force does work W = 350 J during this displacement, the angle
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fall06exam2 - Physics 1710.003 Fall 2006 Examination 2...

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