COLLEGE PHYSICS
2nd Edition
ISBN: 9781464196393
Author: Freedman
Publisher: MAC HIGHER
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Chapter 13, Problem 57QAP
To determine
To draw:
The three possible shapes for two waves that interfere at the point x and give resultant wave having amplitude 2A.
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72 Two sinusoidal 120 Hz
waves, of the same frequency
and amplitude, are to be sent in
the positive direction of an x axis
that is directed along a cord un-
der tension. The waves can be
10
20
sent in phase, or they can be
phase-shifted. Figure 16-47
shows the amplitude y' of the re-
sulting wave versus the distance of the shift (how far one wave is
shifted from the other wave). The scale of the vertical axis is set
by y', = 6.0 mm. If the equations for the two waves are of the
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(d) the correct choice of sign in front of w?
Shift distance (cm)
Figure 16-47 Problem 72.
(uu)
Chapter 13 Solutions
COLLEGE PHYSICS
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