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Ok its been a long time, but if we are going to state that two cars moving at 60 KMH collide in opposite directions is the same as hitting a stationary wall isn't this incorrect because.
1. An object in motion tends to stay in motion. So two cars colliding isn't going to completely stop either object like a wall. Energy will continue to travel through both cars causing more damage than only one car hitting a stationary wall.
2. Kinetic energy is dispersed completely? Kind of like, when you throw a basket ball against a wall it bounces back with X force, but if you throw two basketballs at each other you cause more energy to be dispersed and you get more of a reactionary effect.
Im no expert, Im only trying to remember stuff I learned in school 20 years ago. If Im wrong, Im wrong.
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