Homework Help: maths

Posted by Anonymous on Saturday, February 2, 2013 at 9:25am.

If the weight of a spherical shell is 7/8th of what it would be if it were a solid shell, find the ratio of the inner and outer radii of the shell.

maths (incomplete) - PsyDAG, Saturday, February 2, 2013 at 10:56am
You give weight data, but ask for distance information.

What is the shell made of?

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