Tension per cent PR

[J Patrick Draine]

Many thanks for Baoli giving us a remedial dose of physics and math;  
as Alan noted it's very difficult for our community to shake the  
assertions and generalizations so easily applied in our trade.
Happy Holidays,
Patrick Draine

On Dec 21, 2005, at 3:42 PM, baoli liu wrote:

> Hi John,
>
> Sorry for the confusion. "u" is the mass per length,
> or (m/L).