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Answer: Three identical train cars, coupled together, are

Physics for Scientists and Engineers: A Strategic Approach, Standard Edition (Chs 1-36) | 4th Edition | ISBN: 9780134081496 | Authors: Randall D. Knight (Professor Emeritus) ISBN: 9780134081496 191

Solution for problem 11.53 Chapter 11

Physics for Scientists and Engineers: A Strategic Approach, Standard Edition (Chs 1-36) | 4th Edition

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Physics for Scientists and Engineers: A Strategic Approach, Standard Edition (Chs 1-36) | 4th Edition | ISBN: 9780134081496 | Authors: Randall D. Knight (Professor Emeritus)

Physics for Scientists and Engineers: A Strategic Approach, Standard Edition (Chs 1-36) | 4th Edition

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Problem 11.53

Three identical train cars, coupled together, are rolling east at speed v0. A fourth car traveling east at 2v0 catches up with the three and couples to make a four-car train. A moment later, the train cars hit a fifth car that was at rest on the tracks, and it couples to make a five-car train. What is the speed of the five-car train?

Step-by-Step Solution:

Q:Three identical train cars, coupled together, are rolling east at speed v0. A fourth car travelingeast at 2v0 catches up with the three and couples to make a four-car train. A moment later, thetrain cars hit a fifth car that was at rest on the tracks, and it couples to make a five-car train.What is the speed of the five-car train Step By Step SolutionStep 1 of 3:Case 1:Three identical train cars moving east with an initial velocity collides with another identicalfourth train car also moving in east with an initial velocity thus making a four car system andcontinues to move in east direction.This is an example of perfectly inelastic collisionMass of individual car:Mass of 3 car system:Initial velocity of 3 car system:Mass of fourth car:Initial velocity of 4th car:

Step 2 of 3

Chapter 11, Problem 11.53 is Solved
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Textbook: Physics for Scientists and Engineers: A Strategic Approach, Standard Edition (Chs 1-36)
Edition: 4
Author: Randall D. Knight (Professor Emeritus)
ISBN: 9780134081496

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Answer: Three identical train cars, coupled together, are