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Unformatted text preview: ME 391 Homework 5
Assigned: Mar 19, 2008
Due: Mar 26, 2008 Problem 1: Find the Laplace transform of ﬁx) = 3 + 2x2 (5ptS) X{3¢ZX‘9’} a 3568} +2 XU‘} =3(g‘“\ i'Zﬁ'sL’L) = 33kg“; Problem 2: Find the Laplace transform of ﬁx) = 23inx + 3c032x
(5 ptS) 2— '3. 3», i:
2. 37—44 *3(€L+4 :— SL—H" 614/4 Problem 3: Find " { 1% _ i
X €141, COS (a X (5 pts) Problem 4: Solve by using Laplace transforms y’ — 5y = 0; y(0) = 2.
(5 19$) 2.
YLQLS'g) ’ Z 70 7) YCg): gig 3C3) 101/405“: of'is'ﬂés} = 2.26431} ‘ gigX Problem 5: Solve using Laplace transforms y” + 4y = 0; y(0) = 2, y’(0) = 2.
(5 ptS) ( Z s L
{ea} 5... 4, ”‘1 ”L" + a
2 374,2,” : Z 6523‘ 592 5 *4 51+? ...
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 Spring '08
 BLAZERADAMS
 Mechanical Engineering

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