A car traveling at 28 ms hits a bridge abutment a passenger, Ask an Expert

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A car traveling at 28 m/s hits a bridge abutment. A passenger in the car, who has a mass of 45 kg, moves forward a distance of 55 cm while being brought to rest by inflated air bag. Assuming that the froce that stops the passenger is constant, what is the magnitude of force acting on the passenger?

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