A classical mechanics problem by Sohail Brahmani

Classical Mechanics Level 3

Two identical cars collide head on. Each car is traveling at 100 km/h. The impact force on each car is the same as hitting a solid wall at:

150 km/h 100 km/h 50 km/h 200 km/h

Sohail Brahmani by Sohail Brahmani , 35, Pakistan

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2 solutions

Sohail Brahmani
Jul 15, 2015

The answer 100 km/h

Since the collision is head on and each car is identical and traveling 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.

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https://www.youtube.com/watch?v=r8E5dUnLmh4 Two car traveling at the same speed will be impacted by that speed. This was proved by Mythbusters.

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