Discovering the Force Constant of a Rubber Band: Methods and Formulas

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Homework Help Overview

The discussion revolves around determining the force constant of a rubber band using limited resources, specifically a 100g mass, a stopwatch, and a meter stick. Participants are exploring the relationship between the force constant and the spring constant, as well as relevant formulas.

Discussion Character

  • Exploratory, Conceptual clarification

Approaches and Questions Raised

  • The original poster expresses confusion regarding the problem's requirements and the relevant formulas. They mention several equations related to oscillation and force but are uncertain about their application. Other participants suggest that the 'force constant' likely refers to the 'spring constant' and confirm the relevance of the mentioned formulas.

Discussion Status

The discussion is ongoing, with participants clarifying terminology and confirming the applicability of certain formulas. There is no explicit consensus yet, but some guidance has been provided regarding the interpretation of the force constant.

Contextual Notes

The original poster indicates a lack of understanding of the problem's requirements and expresses difficulty in identifying the appropriate formulas to use.

jtm
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Describe two different ways to determine the force constant of a rubber band only a 100g mass, a stopwatch, and a meter stick.

I don't really understand what its asking but I don't have many formulas to choose from so I don't really know where to begin. I have like f = 1/T y = A * cos (2pi/T * delta T) etc... T = 2pi * sqrt(m/k) and F = -kx. Is it referring to the force constant or SPRING constant? Can someone give me a hint? It should be very easy but I'm having a really hard time here :cry:
 
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I think that the 'force constant' is referring to the 'spring constant'. If this is the case you can use two of your formula's above.
 
T = 2pi * sqrt(m/k) and F = -kx? ok thanks!
 
jtm said:
T = 2pi * sqrt(m/k) and F = -kx?

They're the one's :smile:
 

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