Question

A car travelling at 45 miles/hour that collides with a tree, coming to a stop in 10 ms.

What is the magnitude of the force experienced by a passenger in the car who stops on the same timescale as the car?

Now assume the car stops in 100 ms because of its crumple zones. What is the magnitude of the force experienced by a passenger in the car who stops on the same timescale as the car?

Now assume the passenger stops in 500 ms because of airbags. What is the magnitude of the force experienced by a passenger in the car who stops on this timescale?

Compare each of these forces to the person’s weight and use this to determine in which case(s) the collision could result in injuries or fatalities.

Answer 1

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