(3) Consider a linear array of coupled pendulum driven below cutoff at z=0 and attach to a rigid wall as shown in figure

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3 Consider A Linear Array Of Coupled Pendulum Driven Below Cutoff At Z 0 And Attach To A Rigid Wall As Shown In Figure 1 (51 KiB) Viewed 25 times

(3) Consider a linear array of coupled pendulum driven below cutoff at z=0 and attach to a rigid wall as shown in figure. Show that if (z, t) equals Ao cos wt at z = 0, then (z, t) = A(z) cos wt, where ₂-kLe-k(L-2)] What happens if L is very large A(z) = Ao -EZ - e 1-e-2kL