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December 18, 2014

December 18, 2014

Posted by **Madison** on Wednesday, March 5, 2008 at 4:35pm.

any help would be great THANKS

- physic -
**bobpursley**, Wednesday, March 5, 2008 at 5:18pmAngular momentum has to be conserved.

angular momentum sphere= 2/5 mr^2 * w

so if you are increasing r by a factor of 100, then w must decrease by a factor of 10000 to keep angular momentum constant.

So, velocity at the new average radius is wnew*rnew= 1/10000 * 100= 1/100 of before.

check my thinking.

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