Car Crash Causes Catastrophe!
Classical Mechanics
Level
2
Two identical cars collide head-on. Each car is travelling at 100 km/h.
The impact force on each car is the same as hitting a solid wall at:
100 km/hr
200 km/hr
50 km/hr
150 km/hr
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1 solution
Since the collision is head on and each car is identical and travelling at the same speed, the force of impact experienced by each car is equal and opposite. This means that the impact is the same as hitting a solid wall at 100 km/h.