Equation (15.7) for a sinusoidal wave can be made more general by including a phase angle Ф,
Question:
(a) Sketch the wave as a function of x at t = 0 for Ф = 0, Ф = π /4, Ф = π /2, Ф = 3'π/4, and Ф = 3 π /2.
(b) Calculate the transverse velocity uy= ay/at.
(c) At t = 0, a particle on the string at x = 0 has displacement y = A√/Y2. Is this enough information to determine the value of Ф? In addition, if you are told that a particle at x = 0 is moving toward y = 0 at t = 0, what is the value of Ф?
(d) Explain in general what you must know about the wave's behavior at a given instant to determine the value of Ф
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Related Book For
University Physics with Modern Physics
ISBN: 978-0133977981
14th edition
Authors: Hugh D. Young, Roger A. Freedman
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