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ENG102_MT1 - DATE MidTerm Exam#1 ENG102 Fall 2011 Open Book...

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DATE: October 19, 2011 MidTerm Exam #1 ENG102 Fall 2011 – Open Book / Open Notes. No cell phones or WiFi devices present. Do not leave the room without permission from the proctor. Address the proctor if you suspect the problem formulation is erroneous, but do not ask the proctor to interpret either the question or your answer. The exam will be evaluated as a whole, but the numbered questions are intended to weigh equally. The exam starts at 2:10pm and ends at 4:00pm. Write clearly your complete name, page number, and number of pages on each sheet of paper you turn in. o m L v 1. Look at the figure above. A mass m is placed at one end of a belt moving with constant velocity v 0 > 0 . The belt is L long, and the coefficient of kinetic friction is μ k . The mass is initially at rest. The gravitational acceleration is g . a. Determine μ k such that the mass reaches the velocity v 0 when it has traveled L to the other end of the belt.
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