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Young's modulus problem

  • #1

Homework Statement


The asteriod Ceres has a mass of 1.11x10^21 kg and a diamter 772km. Ceres orbits the sun at an average distance of 414 million kilometers.
Estimate the change in length of a 2m length of thin copper wire caused by hanging a 1.5kg mass on the wire on the asteriod Ceres.
?


Homework Equations



[tex]
\begin{array}{l}
g = \frac{{GM}}{{r^2 }} \\
a = \frac{{v^2 }}{r} \\
\end{array}
[/tex]

The Attempt at a Solution



Could somebody please give me some direction on how to approach these situation. Many thanks in return,

unique_pavadrin
 

Answers and Replies

  • #2
Doc Al
Mentor
44,892
1,144
If you hung the mass from the wire on Earth, how much would the wire stretch? (Consider Young's modulus.) What's different on Ceres?
 
  • #3
Young's modulus......never heard of it, thanks ill look into it
 

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