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# What is the difference between hitting a wall at 100km/h and hitting a car of equal weight travelling at equal speed in the opposite direction?

Question asked by: knowitall

Well obviously we look at the variables - the wall isn't moving, whilst the car is.

Now remember that if the two forces are directly opposite than the impact with the car will be much more severe than the wall in terms of the speed of the impact and the damage that is done as a result.

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