15.0 MHz magnetic field travels in a fluid in which the propagation velocity is 1.0x108 m/sec. The initial value is H(0,0)=2.0 ax A/m. The amplitude drops to 1.0 A/m after the wave travels 5.0 meters in the y direction. Find the general expression for this wave. Select one: a. H(y,t)=1e-0.14ycos(10π.106t-0.1πy) ax A/m b. H(y,t)=2e-0.14ycos(30π.106t-0.3πy) ax A/m c. None of these d. H(y,t)=2e-0.14ycos(10π.106t-0.1πy) ax A/m
15.0 MHz magnetic field travels in a fluid in which the propagation velocity is 1.0x108 m/sec. The initial value is H(0,0)=2.0 ax A/m. The amplitude drops to 1.0 A/m after the wave travels 5.0 meters in the y direction. Find the general expression for this wave. Select one: a. H(y,t)=1e-0.14ycos(10π.106t-0.1πy) ax A/m b. H(y,t)=2e-0.14ycos(30π.106t-0.3πy) ax A/m c. None of these d. H(y,t)=2e-0.14ycos(10π.106t-0.1πy) ax A/m
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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A 15.0 MHz magnetic field travels in a fluid in which the propagation velocity is 1.0x108 m/sec. The initial value is H(0,0)=2.0 ax A/m. The amplitude drops to 1.0 A/m after the wave travels 5.0 meters in the y direction. Find the general expression for this wave.
Select one:
a.
H(y,t)=1e-0.14ycos(10π.106t-0.1πy) ax A/m
b.
H(y,t)=2e-0.14ycos(30π.106t-0.3πy) ax A/m
c.
None of these
d.
H(y,t)=2e-0.14ycos(10π.106t-0.1πy) ax A/m
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