FinalExam_2008_Spring_Lu

FinalExam_2008_Spring_Lu - 5/2/08, 12:00-3:00pm PHYS 116...

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5/2/08, 12:00-3:00pm PHYS 116 Sec. 003, Lu Final Exam Your Name _____________________________ PID ______________________ Row # ______ All your work should be shown on these sheets. If you need more space, work on the back of the pages and indicate where the extra work can be found. You are expected to sign the Honor Pledge below at the end of the exam . Honor Pledge Signature: ________________________________________ +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ Score: Q1 _____ Q2 _____ Q3 _____ Q4 ______ Q5 _____ Q6 _____ Q7 _____ Q8 _____ Total: __________ +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1. (20 points, 5 each) (a) What are the SI units for time, length, mass, acceleration, energy, power, pressure, and angular momentum? (b) Describe the difference between static and kinetic friction forces. (c) State the work-energy theorem. (d) In the figure below, a vertical rod is hinged at its lower end and attached to a cable at its upper end. A horizontal force a is to be applied to the rod as shown. If the point at which the force is applied is moved down the rod, does the tension in the cable increase, decrease, or remain the same?
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5/2/08, 12:00-3:00pm PHYS 116 Sec. 003, Lu Final Exam 2. (10 points) Two speakers separated by distance d 1 produce in phase sound at the frequency f . Assume the amplitudes of the
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This note was uploaded on 03/14/2011 for the course PHYS 116 taught by Professor Engle during the Spring '08 term at UNC.

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FinalExam_2008_Spring_Lu - 5/2/08, 12:00-3:00pm PHYS 116...

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