Simple Harmonic motion with a compound mass spring system

striker300
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Homework Statement


For my problem, I have two springs that have the same length, but different masses and spring constants. Both springs are secured at one end to a holder and at the other ends are connected to a single mass.

My question is how do I find the angular velocity? Since the equation for angular velocity is...

omega=(k/m)^(1/2)

My instincts are telling me to just imagine the two springs as one whole spring and combine their mass and spring constant up. Am I on the right track here or would this not be plausable?

Homework Equations



using the angular velocity formula

The Attempt at a Solution

 
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If the two springs are acting in the same direction, then yes, you can combine the two into one "effective spring."

By the way, that's angular frequency, not angular velocity.
 
Thank you for the wisdom and the correction of terminology :D
 
To solve this, I first used the units to work out that a= m* a/m, i.e. t=z/λ. This would allow you to determine the time duration within an interval section by section and then add this to the previous ones to obtain the age of the respective layer. However, this would require a constant thickness per year for each interval. However, since this is most likely not the case, my next consideration was that the age must be the integral of a 1/λ(z) function, which I cannot model.

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