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July 31, 2014

July 31, 2014

Posted by **Marysvoice** on Friday, February 1, 2008 at 12:01pm.

Solve the equation w=Cr^-2 for r

I was given r=C/w

This equation is meant to figure out the weight of an object where C is a constant and r is the distance that the object is from the center of the earth.

My very next question asks me to substitute 100 pounds for an oject so if I don't get his right they will all be wrong.

Can anyone show me the steps?

- Algebra -
**bobpursley**, Friday, February 1, 2008 at 12:17pmw=c/r^2

r^2=C/w

r= sqrt (C/w)

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