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Unreasonable Results (a) Repeat Exercise 4.29, but assume

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

Solution for problem 38PE 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 38PE

Unreasonable Results (a) Repeat Exercise 4.29, but assume an acceleration of 1.20 m/s2 is produced. (b) What is unreasonable about the result? (c) Which premise is unreasonable, and why is it unreasonable?

Exercise 4.29:

A 1100-kg car pulls a boat on a trailer. (a) What total force resists the motion of the car, boat, and trailer, if the car exerts a 1900-N force on the road and produces an acceleration of 0.550 m/s2 ? The mass of the boat plus trailer is 700 kg. (b) What is the force in the hitch between the car and the trailer if 80% of the resisting forces are experienced by the boat and trailer?

Step-by-Step Solution:

Problem 38PE

Solution 38 PE

Step 1 of 4:

In this question , we need to find total force required to resist the motion of the car , boat and trailer

And explain the unreasonability about  the result

Check which premise is unreasonable and explain the reason for it be unreasonable

Data given

Mass of car

Mass of boat and trailer

Force exerted by the car on the road

Acceleration

Step 2 of 4 :

Let us denote the total resisting force as

We shall find the total mass of car, trailer and boat

It is obtained by

                                

                        

                                

                                

The net force is given by

                

Substituting values we get

                        

Thus we have net force as  

Step 3 of 4

Chapter 4, Problem 38PE is Solved
Step 4 of 4

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

Since the solution to 38PE from 4 chapter was answered, more than 392 students have viewed the full step-by-step answer. This textbook survival guide was created for the textbook: College Physics , edition: 1. The full step-by-step solution to problem: 38PE from chapter: 4 was answered by , our top Physics solution expert on 07/07/17, 04:39PM. The answer to “Unreasonable Results (a) Repeat Exercise 4.29, but assume an acceleration of 1.20 m/s2 is produced. (b) What is unreasonable about the result? (c) Which premise is unreasonable, and why is it unreasonable?Exercise 4.29:A 1100-kg car pulls a boat on a trailer. (a) What total force resists the motion of the car, boat, and trailer, if the car exerts a 1900-N force on the road and produces an acceleration of 0.550 m/s2 ? The mass of the boat plus trailer is 700 kg. (b) What is the force in the hitch between the car and the trailer if 80% of the resisting forces are experienced by the boat and trailer?” is broken down into a number of easy to follow steps, and 109 words. College Physics was written by and is associated to the ISBN: 9781938168000. This full solution covers the following key subjects: trailer, unreasonable, boat, Car, Force. This expansive textbook survival guide covers 34 chapters, and 3125 solutions.

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Unreasonable Results (a) Repeat Exercise 4.29, but assume

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