MCAT Physics Problem: Elastic Properties of Solids

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The discussion focuses on solving an MCAT physics problem related to the elastic properties of solids, specifically involving a mass attached to an artery sample. The user seeks guidance on which equations to apply, particularly regarding Young's modulus, denoted as Y = 1x10^8 Nm^2. Participants suggest confirming that Y represents Young's modulus and encourage the user to recall relevant equations involving it. The conversation emphasizes understanding the appropriate formulas to determine the elongation of the artery sample.
justa18unlv
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To all,

So i"m studying physics for MCAT and I'm on solids sections, specifically on elastic properties of solids, I kind of get it but there is a problem I do not understand. The problem is:
A 2.5-kilogram (kg) mass is attached to one end of a sample of artery with 0.05 centimeter (cm) radius and 15 millimeter (mm) length. The other end of the artery sample is secured to a rigid support. Determine the elongation of the artery sample Y= 1x10^8 Nm^2.
Mostly I'm having a problem with determining which equation to use for this example, could someone help me out and maybe give me guidelines to what I should look for so I know which equations or theorems to use.
Thank you,
Justina
 
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Welcome to PF!

Hi Justina! Welcome to PF! :wink:
justa18unlv said:
… Determine the elongation of the artery sample Y= 1x10^8 Nm^2.
Mostly I'm having a problem with determining which equation to use for this example …

I assume Y is Young's modulus?

Then what equation do you know involving Young's modulus? :smile:
 

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