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A vertical spring without damping has a constant k=36N/m. the superior birder is not moving and the other is getting hit from downsite by a 29Kg brick. The object is release from no-moving 15 meters under the balance point. since the second 29 the object is getting hit by a brick applying 10 unit of linear movement. Considering the positive direction going down and that x(t) is the spring stretch, in meters, at t seconds from started the movement, then an ecuation with modeling conditions for this specific situation is:

A vertical spring without damping has a constant k=36N/m. the superior birder is not moving and the other is getting hit from downsite by a 29Kg brick. The object is release from no-moving 15 meters under the balance point. since the second 29 the object is getting hit by a brick applying 10 unit of linear movement. Considering the positive direction going down and that x(t) is the spring stretch, in meters, at t seconds from started the movement, then an ecuation with modeling conditions for this specific situation is:

Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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A vertical spring without damping has a constant k=36N/m. the superior birder is not moving and the other is getting hit from downsite by a 29Kg brick. The object is release from no-moving 15 meters under the balance point. since the second 29 the object is getting hit by a brick applying 10 unit of linear movement. Considering the positive direction going down and that x(t) is the spring stretch, in meters, at t seconds from started the movement, then an ecuation with modeling conditions for this specific situation is:

 

O a) 29x" + 36x = -10U (t – 29) con x(0) = -15 y x' (0) = 0 Ob) 29x" + 36x = 10U(t – 29) con x(0) = 15 y a' (0) = 0 O c) 29x" +36x =-295(t – 10) con æ(0) = –15 y a' (0) = 0 Od) 29x" + 36x = -108(t – 29) con x(0) = 15 y x'(0) = 0
Transcribed Image Text:O a) 29x" + 36x = -10U (t – 29) con x(0) = -15 y x' (0) = 0 Ob) 29x" + 36x = 10U(t – 29) con x(0) = 15 y a' (0) = 0 O c) 29x" +36x =-295(t – 10) con æ(0) = –15 y a' (0) = 0 Od) 29x" + 36x = -108(t – 29) con x(0) = 15 y x'(0) = 0
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