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Re: momentum transfer

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Isn't there an unstated assumption here? Does the worsity (how bad)
of the collision depend upon the reference frame in which it is observed?
Regards,
Jack

Oh my! Jack, a measure of worsity might be the cost of auto repair,
medical costs, and number of deaths -- which could be measured in any frame
-- and all of which a primarily functions of change in total energy of the
system.

Jim Green
mailto:JMGreen@sisna.com
http://users.sisna.com/jmgreen