Answered: The main purpose of an air bag is to…

University Physics Volume 1

18th Edition

ISBN:9781938168277

Author:William Moebs, Samuel J. Ling, Jeff Sanny

Publisher:William Moebs, Samuel J. Ling, Jeff Sanny

Chapter9: Linear Momentum And Collisions

Section: Chapter Questions

Problem 92AP: A car crashes into a large tree that does not move. The car goes from 30 m/s to 0 in 1.3 m. (a) What...

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The main purpose of an air bag is to stop a passenger during a car accident in a greater amount of time than if the air bag were not present. For example, consider a 56 kg person traveling at 21 m/s (about 47 mph). Use impulse and momentum to calculate how many newtons of force would be required to stop the person in 0.043 s, 0.086 s, and 0.43 s. Note how the force changes with increased time. (Enter the magnitudes.)

Expert Solution

Step 1

$Mass of person (m) = 56 k g Initial speed of car = 21 \frac{m}{s} Final speed = 0 \frac{m}{s}$

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