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Explain why the points x = A and x = - A in Fig. 7.23b are

University Physics | 13th Edition | ISBN: 9780321675460 | Authors: Hugh D. Young, Roger A. Freedman ISBN: 9780321675460 31

Solution for problem 21DQ Chapter 7

University Physics | 13th Edition

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University Physics | 13th Edition | ISBN: 9780321675460 | Authors: Hugh D. Young, Roger A. Freedman

University Physics | 13th Edition

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Problem 21DQ

Explain why the points x = A and x = - A in Fig. 7.23b are called ?turning points.? How are the values of E and U related at a turning point?

Step-by-Step Solution:

Solution 21DQ Introduction We have discuss why the points A and -A are called turning points. The we have find out what will the relation between kinetic energy and potential energy. Step 1 As discussed in the figure, at the point A and -A the potential energy of the spring is equal to the total mechanical energy. Now the mechanical energy consists of potential energy and kinetic energy. So if the potential energy is equal to the total mechanical energy, then the kinetic energy will be zero. Hence the particle can not move further and hence the particle starts going back. That is the particle takes a u-turn at this point, that is why the point is called the turning point.

Step 2 of 2

Chapter 7, Problem 21DQ is Solved
Textbook: University Physics
Edition: 13
Author: Hugh D. Young, Roger A. Freedman
ISBN: 9780321675460

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Explain why the points x = A and x = - A in Fig. 7.23b are

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