A automobile traveling at is brought to rest by its airbags and crumple zone

PHYSICS · Subjective · CBSE · Physics · Laws of Motion · Laws of Motion

Problem

1.2\times10^{3}\,\text{kg}

automobile traveling at

15\,\text{m/s}

is brought to rest by its airbags and crumple zone. Engineers want the average force exerted on the car during the collision to be no greater than

5.0\times10^{5}\,\text{N}

. Determine the minimum time interval the combined safety systems must provide while stopping the car.