CALC The potential energy of a pair of hydrogen atoms

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

ISBN: 9780321675460 31

Solution for problem 34E Chapter 7

University Physics | 13th Edition

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University Physics | 13th Edition

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Problem 34E

CALC The potential energy of a pair of hydrogen atoms separated by a large distance x is given by U(x) = -C6/x6, where C6 is a positive constant. What is the force that one atom exerts on the other? Is this force attractive or repulsive?

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Solution 34E The potential energy is, C 6 U = x6 We can get the force from this potential as, U C 6 6 6C6 F = x = x( x6) = C ×6 x5 = x5 This is the force an atom exerts on the other. 5 The minus sign indicates that, the force is an attractive force. But the x term in the denominator says that, as the distance between the atoms increases, the force decreases. So, it is an attractive force.

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Chapter 7, Problem 34E is Solved

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Textbook: University Physics

Edition: 13

Author: Hugh D. Young, Roger A. Freedman

ISBN: 9780321675460

This textbook survival guide was created for the textbook: University Physics, edition: 13. The full step-by-step solution to problem: 34E from chapter: 7 was answered by , our top Physics solution expert on 05/06/17, 06:07PM. University Physics was written by and is associated to the ISBN: 9780321675460. This full solution covers the following key subjects: Force, given, attractive, Calc, constant. This expansive textbook survival guide covers 26 chapters, and 2929 solutions. The answer to “CALC The potential energy of a pair of hydrogen atoms separated by a large distance x is given by U(x) = -C6/x6, where C6 is a positive constant. What is the force that one atom exerts on the other? Is this force attractive or repulsive?” is broken down into a number of easy to follow steps, and 45 words. Since the solution to 34E from 7 chapter was answered, more than 650 students have viewed the full step-by-step answer.