Impact speed

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IceCreamMan

Grey Hound
Joined
Aug 30, 2006
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Now I aint so clever but something got me thinking.....bear with me and you cleverer dogs can put me straight here...

assume the following ..... 2 cars have a head on collision , each car is doing 100 km/h ........ now my understanding is that the accident speed for each is 100km/h i.e you do nto add the 2 up it would be as though a car had hit a stationary wall or car or whatever.....

is it good physics to add the speeds together.....
 
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