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Unformatted text preview: the velocity profile.
t (s) 0 14 15 20 30 35 v(t) m/s 0 227.04 362.78 517.35 602.97 901.67 The correct set of equations that will find a, b and c are
(A) Ⱥ176 14 1Ⱥ Ⱥa Ⱥ Ⱥ227.04Ⱥ
Ⱥ225 15 1Ⱥ Ⱥb Ⱥ = Ⱥ362.78 Ⱥ
Ⱥ
Ⱥ Ⱥ Ⱥ Ⱥ
Ⱥ
Ⱥ400 20 1Ⱥ Ⱥ c Ⱥ Ⱥ517.35 Ⱥ
Ⱥ
Ⱥ Ⱥ Ⱥ Ⱥ
Ⱥ (B) Ⱥ 225 15 1Ⱥ Ⱥa Ⱥ Ⱥ362.78Ⱥ
Ⱥ400 20 1Ⱥ Ⱥ b Ⱥ = Ⱥ517.35Ⱥ
Ⱥ
Ⱥ Ⱥ Ⱥ Ⱥ
Ⱥ
Ⱥ900 30 1Ⱥ Ⱥ c Ⱥ Ⱥ602.97Ⱥ
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Ⱥ Ⱥ Ⱥ Ⱥ
Ⱥ (C) 0 1Ⱥ Ⱥa Ⱥ Ⱥ 0 Ⱥ
Ⱥ 0
Ⱥ 225 15 1Ⱥ Ⱥ b Ⱥ = Ⱥ362.78Ⱥ
Ⱥ
Ⱥ Ⱥ Ⱥ Ⱥ
Ⱥ
Ⱥ400 20 1Ⱥ Ⱥ c Ⱥ Ⱥ517.35Ⱥ
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Ⱥ Ⱥ Ⱥ Ⱥ
Ⱥ (D) Ⱥ 400 20 1Ⱥ Ⱥa Ⱥ Ⱥ517.35 Ⱥ
Ⱥ 900 30 1Ⱥ Ⱥb Ⱥ = Ⱥ602.97 Ⱥ
Ⱥ
Ⱥ Ⱥ Ⱥ Ⱥ
Ⱥ
Ⱥ1225 35 1Ⱥ Ⱥ c Ⱥ Ⱥ901.67 Ⱥ
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Ⱥ Ⱥ Ⱥ Ⱥ
Ⱥ 7. LU decomposition method is computationally more efficient than Naïve Gauss
elimination for solving
(A) a single set of simultaneous linear equations
(B) multiple sets of simultaneous linear equations with different coefficient
matrices and same right hand side vectors.
(C) multiple sets of simultaneous linear equations with same coefficient
matrix and different right hand side vectors.
(D) less than ten simultaneous linear equations.
8. The lower triangular...
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This note was uploaded on 08/30/2011 for the course BUSN 1003 taught by Professor Carr,r during the Spring '08 term at Arkansas State.
 Spring '08
 Carr,R
 Business

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