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George Jones
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#7
Feb22-12, 07:02 PM
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[tex]n^a n^b h_{ab}=?[/tex]
Now suppose [itex]v^a[/itex] is orthogonal to [itex]n^a[/itex].
[tex]v^a v^b h_{ab}=?[/tex]

What are the results of these calculations?