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Final_exam_ME35b_09

# Final_exam_ME35b_09 - Statics and Dynamics Me 35b(Winter...

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Statics and Dynamics - Me 35b (Winter 2009) Final Examination Due by Thursday, March 19th, 12pm Return exams to Maria Koeper, 321 Thomas Laboratory Note: (i) This Final is open class textbook (Beer & Johnston). You may use your class notes, homework assignments, and course handouts. Other resources, such as other books, in- ternet etc, are not allowed. Please refer to the course policy on the course website for more details. (ii) Calculators and symbolic algebra programs (such as Matlab, Maple, Mathematica) are allowed. (iii) This exam has should be taken in one sitting of a maximum length of 3 hours. (iv) Draw clear diagrams, free-body diagrams and figures for your answers and calcula- tions. (v) Write coherently and succinctly the principles that you are applying. Points will be subtracted if your line of thought cannot be derived from your answer. 1

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Problem 1 (15 points): Member ABC (shown in the Figure) has a weight of 9 kg and is attached to a pin support at midpoint B . A 2 kg sphere D strikes the end C of member ABC with a vertical velocity v 1 of 12 m/s. The half-length of member ABC is h = 2 m and the coe ffi cient of restitution between the sphere and the member ABC is e = 0 . 5.
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