A 5.0 MHz magnetic field travels in a fluid for which the propagation velocity is 10x10 m/sec. Initially, we have H(0,0)=2.0 a, A/m. The amplitude drops to 1.0 A/m after the wave travels 5.0 ax meters in the y direction. Find the general expression for this wave. Select one: O a. H(y,t)=2e-0.14ycos(20m.10°t-0.1my) a, A/m O b. None of these O c. H(y,t)=2e-0.14ycos(10m.106t-0.2my) ax A/m O d. Hyt)=5e-014ycos(10m.10°t-0.2mty) a, A/m

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A 5.0 MHz magnetic field travels in a fluid for which the propagation velocity is 10x10 m/sec.
Initially, we have H(0,0)=2.0 a, 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:
O a. H(y,t)=2e-0-14ycos(20m.106t-0.1my) a, A/m
O b. None of these
Oc Hyt)=2e-0.14ycos(10m.106t-0.2my)
a, A/m
O d. Hyt)=5e-0.14%cos(10m.106t-0.2mty)
a, A/m
Transcribed Image Text:A 5.0 MHz magnetic field travels in a fluid for which the propagation velocity is 10x10 m/sec. Initially, we have H(0,0)=2.0 a, 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: O a. H(y,t)=2e-0-14ycos(20m.106t-0.1my) a, A/m O b. None of these Oc Hyt)=2e-0.14ycos(10m.106t-0.2my) a, A/m O d. Hyt)=5e-0.14%cos(10m.106t-0.2mty) a, A/m
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