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two wires are welded together end to end. the wires are made of the same material, but the diameter of one is twice that of the other. they are subjected to a tension of 4.60 N. the thin wire has a length of 40 cm and a linear mass density of 2.00 g/m. the combination is fixed at both ends and vibrated in such a way that two antinodes are present, with the node between them being right at the weld.
(a) what is the frequency of vibration?
(b) what is the length of the thick wire?
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