The front 1.20 m of a 1,350-kg car is designed as a "crumple zone" that collapses to absorb the shock of a collision. (a) If a car traveling 21.0 m/s stops uniformly in 1.20 m, how long does the collision last? (b) What is the magnitude of the average force on the car? (c) What is the magnitude of the acceleration of the car? Express the acceleration as a multiple of the acceleration of gravity. g

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### Collision Analysis in a Vehicle with a Crumple Zone

The front 1.20 meters (m) of a 1,350-kilogram (kg) car is designed as a "crumple zone" that collapses to absorb the shock of a collision.

1. **Collision Duration Calculation**
   (a) If a car traveling at 21.0 meters per second (m/s) stops uniformly in 1.20 meters, how long does the collision last?
   - Answer: \_\_\_\_\_ seconds (s)

2. **Average Force Magnitude**
   (b) What is the magnitude of the average force on the car?
   - Answer: \_\_\_\_\_ Newtons (N)

3. **Acceleration Magnitude**
   (c) What is the magnitude of the acceleration of the car? Express the acceleration as a multiple of the acceleration of gravity.
   - Answer: \_\_\_\_\_ g

This series of questions aims to understand the dynamics of a crash in terms of time duration, force, and acceleration. By analyzing these aspects, we can better grasp the effectiveness of crumple zones in absorbing collision energy and protecting the vehicle's occupants.
Transcribed Image Text:### Collision Analysis in a Vehicle with a Crumple Zone The front 1.20 meters (m) of a 1,350-kilogram (kg) car is designed as a "crumple zone" that collapses to absorb the shock of a collision. 1. **Collision Duration Calculation** (a) If a car traveling at 21.0 meters per second (m/s) stops uniformly in 1.20 meters, how long does the collision last? - Answer: \_\_\_\_\_ seconds (s) 2. **Average Force Magnitude** (b) What is the magnitude of the average force on the car? - Answer: \_\_\_\_\_ Newtons (N) 3. **Acceleration Magnitude** (c) What is the magnitude of the acceleration of the car? Express the acceleration as a multiple of the acceleration of gravity. - Answer: \_\_\_\_\_ g This series of questions aims to understand the dynamics of a crash in terms of time duration, force, and acceleration. By analyzing these aspects, we can better grasp the effectiveness of crumple zones in absorbing collision energy and protecting the vehicle's occupants.
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