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CALC Wave Equation and Standing Waves. (a) Prove by direct

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

Solution for problem 38E Chapter 15

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 38E

CALC Wave Equation and Standing Waves. (a) Prove by direct substitution that is a solution of the wave equation, Eq. (15.12), for u = ?/k (b) Explain why the relationship u = ?/k for ?traveling ?waves also applies to ?standing ?waves.

Step-by-Step Solution:

Solution 38E Problem (a) Step 1: Displacement of the wave at any time t is given by y(x,t) = (A SW sin kx)sint ------(1) Velocity of wave v = ------(2) k Where - angular frequency k - wave number Step 2: Partially differentiating the equation (1) with respect to x y(x,t) = A SW k.cos kx.sint -----(2) x y(x,t) 2 2 = -A SW k .sin kx.sint -----(3) x Step 3: Partially differentiating the equation (1) with respect to t y(x,t) t = A SW .sin kx.cost -----(4) y(x,t) 2 t2 = -A SW .sin kx.sint -----(5) Step...

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Chapter 15, Problem 38E is Solved
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Textbook: University Physics
Edition: 13
Author: Hugh D. Young, Roger A. Freedman
ISBN: 9780321675460

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CALC Wave Equation and Standing Waves. (a) Prove by direct

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