Two strings have different lengths (L1 = 3.44mand L2 = 0.860m) and linear densities(mL1 = 8.26×10-1kg/m andmL2 = 9.18×10-2kg/m), as thefigure below shows.

They are joined together and stretched so that the tension in eachstring is 200N. The free ends of the joined string are fixed inplace. Find the lowest frequency that permits standing waves inboth strings with a node at the junction. The standing wave patternin each string may have a different number of loops.

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