부경대학교 공학수학 족보족보노트시험족보

부경대학교 공학수학 족보

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목차/차례

과목명: 공학수학(2)
(no friction, no damping),
학번:
(b) (10 find
이름:
Points) the Letting � � � � �� kg, the initial

1. (30 Points) (a) (10 Points) Find the model of the mechanical system in Fig.149

� � � � �� kg� sec� , � � �� kg� sec� , solution satisfying
conditions � �� , ′ � �� meter� sec, ′ � �� meter � sec, and (c) (10 Points) Find the model (the system of ODEs) in (a) extended by adding another mass � and another spring of modulus � in series

2. (30...

본문/내용

과목명: 공학수학(2)
(no friction, no damping),

학번:
(b) (10 find

이름:
Points) the Letting � � � � �� kg, the initial

1. (30 Points) (a) (10 Points) Find the model of the mechanical system in Fig.149
� � � � �� kg� sec� , � � �� kg� sec� , solution satisfying

conditions � �� , ′ � �� meter� sec, ′ � �� meter � sec, and (c) (10 Points) Find the model (the system of ODEs) in (a) extended by adding another mass � and another spring of modulus � in series

2. (30 Points) Using Laplace transforms, find the currents � � � and � � � in the network in Fig.145 with � and � measured in terms of the usual units, � � � �� volts if ≤ ≤ � �� sec and � thereafter, and �� , ′ ��

3. (20 Points) Solve the initial value problem for a damped mass-spring system acted upon by a sinusoidal force for some time interval (Fig.136), ″ � �′ � � � � �, � …(생략)

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