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5.00×105 -kg subway train is brought to a stop from a

Physics: Principles with Applications | 6th Edition | ISBN: 9780130606204 | Authors: Douglas C. Giancoli ISBN: 9780130606204 3

Solution for problem 22PE Chapter 7

Physics: Principles with Applications | 6th Edition

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Physics: Principles with Applications | 6th Edition | ISBN: 9780130606204 | Authors: Douglas C. Giancoli

Physics: Principles with Applications | 6th Edition

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Problem 22PE

5.00×105 -kg subway train is brought to a stop from a speed of 0.500 m/s in 0.400 m by a large spring bumper at the end of its track. What is the force constant k of the spring?

Step-by-Step Solution:

Step-by-step solution Step 1 of 1 The sum of the change in potential energy of the spring and change in kinetic energy of the train is equal to zero since the train brought to stop by the spring, Or, The change in the potential energy of the spring is The change in the kinetic energy of the train is Since, Therefore, Or Substitute for , for , and for in the above equation. Hence, the force constant k of the spring is .

Step 2 of 1

Chapter 7, Problem 22PE is Solved
Textbook: Physics: Principles with Applications
Edition: 6
Author: Douglas C. Giancoli
ISBN: 9780130606204

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