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Question: 5 suppose that the c2 functions fs and gs are...

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(5) Suppose that the C2 functions F(s) and G(s) are both strictly positive for 0 < s <2 and equal to 0 for s < 0 and s 2 2. Let be the general solution of the wave equation (a) Sketch the region in the x, t plane where (b) At what times (positive and negative) will an observer at position x = 5 expe- a(x, t) = F(x + t) + G(x-t) = 0. and the region where a(x, t) = 0. rience a disturbance? I.е., at what times t is a(5,t) 0?

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