Seat belts and air bags save lives by reducing the forces exerted on the driver and passengers in an automobile collision. Cars are designed with a "crumple zone" in the front of the car. In the event of an impact, the passenger compartment decelerates over a distance of about 1 m as the front of the car crumples. An occupant restrained by seat belts and air bags decelerates with the car. By contrast, an unrestrained occupant keeps moving forward with no loss of speed (Newton's first law!) until hitting the dashboard or windshield. These are unyielding surfaces, and the unfortunate occupant then decelerates over a distance of only about 5 mm. ▼ Part A A 65 kg person is in a head-on collision. The car's speed at impact is 12 m/s. Estimate the net force on the person if he or she is wearing a seat be and if the air bag deploys. Express your answer with the appropriate units. Fnet = Submit Part B μA Fnet = Value Request Answer Estimate the net force that ultimately stops the person if he or she is not restrained by a seat belt or air bag. Express your answer with the appropriate units. μà N Value C N ?

icon
Related questions
Question
**Context:**

**Safety in Automobile Collisions**

Seat belts and airbags save lives by reducing the forces exerted on the driver and passengers in an automobile collision. Cars are designed with a "crumple zone" in the front. In the event of an impact, the passenger compartment decelerates over a distance of about 1 m as the front of the car crumples. An occupant restrained by seat belts and airbags decelerates with the car. By contrast, an unrestrained occupant keeps moving forward with no loss of speed (Newton's first law) until hitting the dashboard or windshield. These are unyielding surfaces, and the unfortunate occupant then decelerates over a distance of only about 5 mm.

**Physics Problems:**

**Part A**

A 65 kg person is in a head-on collision. The car's speed at impact is 12 m/s. Estimate the net force on the person if he or she is wearing a seat belt and if the airbag deploys.

*Express your answer with the appropriate units.*

\[
F_{\text{net}} = \text{Value} \quad \text{N}
\]

Buttons for input operations and unit specification are provided.

**Part B**

Estimate the net force that ultimately stops the person if he or she is not restrained by a seat belt or airbag.

*Express your answer with the appropriate units.*

\[
F_{\text{net}} = \text{Value} \quad \text{N}
\]

Both parts require input of the calculated net force as Value in Newtons (N), with submission supported by interactive button options such as reset, help, and answer request.
Transcribed Image Text:**Context:** **Safety in Automobile Collisions** Seat belts and airbags save lives by reducing the forces exerted on the driver and passengers in an automobile collision. Cars are designed with a "crumple zone" in the front. In the event of an impact, the passenger compartment decelerates over a distance of about 1 m as the front of the car crumples. An occupant restrained by seat belts and airbags decelerates with the car. By contrast, an unrestrained occupant keeps moving forward with no loss of speed (Newton's first law) until hitting the dashboard or windshield. These are unyielding surfaces, and the unfortunate occupant then decelerates over a distance of only about 5 mm. **Physics Problems:** **Part A** A 65 kg person is in a head-on collision. The car's speed at impact is 12 m/s. Estimate the net force on the person if he or she is wearing a seat belt and if the airbag deploys. *Express your answer with the appropriate units.* \[ F_{\text{net}} = \text{Value} \quad \text{N} \] Buttons for input operations and unit specification are provided. **Part B** Estimate the net force that ultimately stops the person if he or she is not restrained by a seat belt or airbag. *Express your answer with the appropriate units.* \[ F_{\text{net}} = \text{Value} \quad \text{N} \] Both parts require input of the calculated net force as Value in Newtons (N), with submission supported by interactive button options such as reset, help, and answer request.
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 3 steps

Blurred answer
Similar questions
  • SEE MORE QUESTIONS