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What is the deceleration of the rocket sled if it comes to

College Physics | 1st Edition | ISBN: 9781938168000 | Authors: Paul Peter Urone, Roger Hinrichs ISBN: 9781938168000 42

Solution for problem 8PE Chapter 4

College Physics | 1st Edition

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College Physics | 1st Edition | ISBN: 9781938168000 | Authors: Paul Peter Urone, Roger Hinrichs

College Physics | 1st Edition

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Problem 8PE

What is the deceleration of the rocket sled if it comes to rest in 1.1 s from a speed of 1000 km/h? (Such deceleration caused one test subject to black out and have temporary blindness.)

Step-by-Step Solution:

Step 1 of 4:

The deceleration is the process of stopping a body which is already in motion. This is also called as negative acceleration or retardation. It takes the symbol and unit of acceleration. Here in our problem, the initial speed of a rocket sled is given. We need to find the deceleration produced in the rocket to stop it in 1.1 s.

        The initial speed of the sled  

        The time taken to come to rest

Step 2 of 4:

        From the equation of motion, we know that

        Where  is the final speed of the sled which is zero since the sled comes to rest. Therefore the equation (1) becomes

        

        Solving the equation (2) for

        The negative sign shows that the acceleration is decreasing.

Step 3 of 4

Chapter 4, Problem 8PE is Solved
Step 4 of 4

Textbook: College Physics
Edition: 1
Author: Paul Peter Urone, Roger Hinrichs
ISBN: 9781938168000

Since the solution to 8PE from 4 chapter was answered, more than 1386 students have viewed the full step-by-step answer. College Physics was written by and is associated to the ISBN: 9781938168000. The full step-by-step solution to problem: 8PE from chapter: 4 was answered by , our top Physics solution expert on 07/07/17, 04:39PM. This textbook survival guide was created for the textbook: College Physics , edition: 1. This full solution covers the following key subjects: deceleration, rocket, caused, comes, Black. This expansive textbook survival guide covers 34 chapters, and 3125 solutions. The answer to “What is the deceleration of the rocket sled if it comes to rest in 1.1 s from a speed of 1000 km/h? (Such deceleration caused one test subject to black out and have temporary blindness.)” is broken down into a number of easy to follow steps, and 35 words.

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