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Four waves are to be sent along the same string, in the same direction y1(x,t) =...

Four waves are to be sent along the same string, in the same direction y1(x,t) = (2 mm) sin(2px – 200pt)

y2(x,t) = (2 mm) sin(2px – 200pt + 0.7p) y3(x,t) = (2 mm) sin(2px – 200pt + p) y4(x,t) = (2 mm) sin(2px – 200pt + 3.7p)

(a) For y1, what is the (a) frequency, (b) wavelength and (c) speed? When these waves are all added together, what is the (d) amplitude of the resultant wave?

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