In Problems 1 5 − 2 4 , solve for Y ( s ) , the Laplace transform of the solution y ( t ) to the give initial value problem. y ″ + 3 y = t 3 ; y ( 0 ) = 0 , y ′ ( 0 ) = 0
In Problems 1 5 − 2 4 , solve for Y ( s ) , the Laplace transform of the solution y ( t ) to the give initial value problem. y ″ + 3 y = t 3 ; y ( 0 ) = 0 , y ′ ( 0 ) = 0
Solution Summary: The author explains how to find the value of Y(s).
The boom OA carries a load P and is supported by two cables as shown. Knowing that the tension in cable AB is 190 lb and that the
resultant of the load P and of the forces exerted at A by the two cables must be directed along OA, determine the tension in cable AC.
29 in.
B
24 in.
36 in.
C
25 in.
48 in..
A
Find the distance (d) from the point (8, -7, -1) to the plane 3x+5y-3z = -60.
The 60-lb collar A can slide on a frictionless vertical rod and is connected as shown to a 65-lb counterweight C. Draw the free-body
diagram of the collar that is needed to determine the value of h for which the system is in equilibrium.
-15 in.
A
60 lb
B
C
h
65 lb
Chapter 7 Solutions
Fundamentals of Differential Equations and Boundary Value Problems
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