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M251ex2(fa03)

# M251ex2(fa03) - MATH 251 Fall 2003 Exam 2 NAME ID...

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Unformatted text preview: MATH 251 Fall 2003 Exam 2 November 10, 2003 NAME : ID : INSTRUCTOR : There are 10 questions on 9 pages. Please read each problem carefully before starting to solve it. For each multiple choice problem 4 answers are given, only one of which is correct. Mark only one choice. For partial credit questions, all work must be shown — credit will not be given for an answer unsupported by work. N O CALCULATORS ARE ALLOWED . P LEASE DO NOT WRITE IN THE BOX BELOW . 1: 2: 3: 4: 5: 6: 7: 8: 9: 10: Total: MATH 251 Fall 2003 – MidTerm Exam 2 1. (5 points) A spring-mass system, subject to an external force of 10 cos(2 t ) Newtons, is equipped with a spring with a Hooke’s constant 12 Newtons per meter. For what mass will the resonance occur? (a) 2 kg (b) 3 kg (c) 6 kg (d) 10 kg 2. (5 points) Of what form will the particular solution to the following differential equa- tion be? Do not solve the equation....
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M251ex2(fa03) - MATH 251 Fall 2003 Exam 2 NAME ID...

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