Find the displacement of the springs

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Homework Help Overview

The discussion revolves around a problem in simple harmonic motion involving two springs with given spring constants. The objective is to determine the displacement of the connection point when the springs are stretched by a specified distance due to an applied force.

Discussion Character

  • Exploratory, Assumption checking

Approaches and Questions Raised

  • Participants discuss the relationship between the forces acting on the springs and their respective displacements. There are attempts to set up equations based on Hooke's law, but some participants express uncertainty about their calculations and seek hints for further progress.

Discussion Status

The discussion is ongoing, with participants sharing their attempts and questioning the correctness of their approaches. Some guidance has been offered in the form of hints, but no consensus or resolution has been reached yet.

Contextual Notes

There is a reference to a figure that is crucial for understanding the problem setup, but it appears that not all participants have access to or have viewed the figure, which may be affecting their ability to engage fully with the problem.

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A question:Simple harmonic motion

http://capa2.cc.huji.ac.il/res/msu/physicslib/msuphysicslib/09_Force_and_Motion/graphics/prob07_twospring.gif1.[/URL] Homework Statement
Two springs with spring constants k1=29.7 N/m and k2=20.7 N/m are connected as shown in the figure:
Find the displacement, y, of the connection point from its initial equilibrium position when the two springs are stretched a distance d = 1.10 m as a result of the application of the force F

http://capa2.cc.huji.ac.il/res/msu/physicslib/msuphysicslib/09_Force_and_Motion/graphics/prob07_twospring


Homework Equations


Hooks law: F=Kx



The Attempt at a Solution


since the same the same force streches each spring :
k1.x=k2.x
FROM HERE I STUCKED
ANY HINT?
 
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i tried to figure this question out:
F=(l1+1.10)29.7
F=(l1+y+1.10)20.7
y=9
but its not correct
any help?
 
Two springs with spring constants k1=29.7 N/m and k2=20.7 N/m are connected as shown in the figure:
What figure?
 
http://capa2.cc.huji.ac.il/res/msu/physicslib/msuphysicslib/09_Force_and_Motion/graphics/prob07_twospring.gif
 
Last edited by a moderator:

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