# Professional Application Consider the following question: ## Problem 25PE Chapter 8

Physics: Principles with Applications | 6th Edition

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Problem 25PE

Professional Application Consider the following question: A car moving at 10 m/s crashes into a tree and stops in 0.26 s. Calculate the force the seat belt exerts on a passenger in the car to bring him to a halt. The mass of the passenger is 70 kg. Would the answer to this question be different if the car with the 70-kg passenger had collided with a car that has a mass equal to and is traveling in the opposite direction and at the same speed? Explain your answer.

Step-by-Step Solution:

Step-by-step solution In this problem a car is moving with a certain velocity collides with a tree so, calculate the force the seat exerts on the passenger to bring him to halt also consider the same condition with different passengers mass and also travelling in the opposite direction as per the given data respectively: Step 1 of 7 A car moving with the speed of 10 m/s crashes into a tree and get stop in 0.26 s. Therefore, the passenger has initial speed, The final speed is, Step 2 of 7 Thus, the change in speed is, hence , the change in velocity of the car is -10m/s Step 3 of 7 Therefore, magnitude is, Step 4 of 7 The expression of exerted force is: Substitute for , for and for . Therefore, the exerted force is .

Step 5 of 7

Step 6 of 7

##### ISBN: 9780130606204

This textbook survival guide was created for the textbook: Physics: Principles with Applications, edition: 6th. Physics: Principles with Applications was written by and is associated to the ISBN: 9780130606204. This full solution covers the following key subjects: Car, passenger, Question, mass, Answer. This expansive textbook survival guide covers 35 chapters, and 3914 solutions. Since the solution to 25PE from 8 chapter was answered, more than 292 students have viewed the full step-by-step answer. The answer to “Professional Application Consider the following question: A car moving at 10 m/s crashes into a tree and stops in 0.26 s. Calculate the force the seat belt exerts on a passenger in the car to bring him to a halt. The mass of the passenger is 70 kg. Would the answer to this question be different if the car with the 70-kg passenger had collided with a car that has a mass equal to and is traveling in the opposite direction and at the same speed? Explain your answer.” is broken down into a number of easy to follow steps, and 89 words. The full step-by-step solution to problem: 25PE from chapter: 8 was answered by , our top Physics solution expert on 03/03/17, 03:53PM.

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