Re: Fwd: Audi A8 Achieves Highest Possible Safety Test Rating

[Virtual Bob <h93young@creighton.edu>]

>>None whatsoever, Richard, that is, if you are referring to the head-on
>>vehicle 35 mph crash being equivalent to the 35 mph barrier crash.  The
>>physics says that is a true statement.  Team Door Handle has nothing to do
>>with it.

>Im confused now.  Wouldnt the momentum of the two cars add together and 
>cause what would be equivalently a 70 mph collision?  What am i 
>missing...its been years since my last physics class...

I believe the keyword here is between "elastic" collision and "inelastic"
collision. The crashing of two cars, or crashing one car into an immovable
object, is an inelastic collision where the kinetic energy is partially
or almost all converted to other forms (heat, light, sound, etc.) of
energies. So KE before the collision is not equal to KE after the
collision.

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