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19 Aug 2012 20:05:25 IST

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angular momentum

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it has been surmised that trhe sun was formed in the gravitaitonal coolaplse of a dust cloud which filled the space now occupied by the solar system and beyond

if we assume that the original cloud was a uniform spehre of radius R0 with an avg angular velo of w0

how fast should the sun be rotating now

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Juhi Sharma

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Joined: 22 May 2009

Posts: 2467

19 Aug 2012 20:14:17 IST

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I0w0=Iw

I0=2Mr^2/5

I=2Mr1^2/5

w=(r/r1)^2w0

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