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## 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