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Practice Exam 1.1

# Practice Exam 1.1 - ME 240 Dynamics Vibrations Exam#1...

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ME 240 Dynamics & Vibrations Exam #1 February 9, 2006 11:40 AM – 1:00 PM Instructor: Prof. Kathleen Sienko (Sec. 002) Exam Rules: Closed book Calculator allowed One single-sided 8x11 inch formula sheet allowed No worked problems No laptops Final answers must be written in the designated area on each page Problem 1 20 Points Problem 2 30 Points Problem 3 35 Points Problem 4 15 Points Name ____________________________________________ I have neither given nor received aid on this examination, nor have I concealed any violation of the Honor Code. Signature ____________________________________________

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Name 2 Problem 1. (20 points) A crate is at rest at point A when it is nudged down the incline. The distance from point A to point B is 7 m. The distance from point B to point C is also 7 m. If the coefficient of kinetic friction ( μ k ) between the crate and the incline is 0.30 from A to B and 0.22 from B to C, determine its speeds at points B and C. Answer: Speed at B Answer: Speed at C
Name 3 Problem 2. (30 points)

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