A wire of material A that is 33 cm long and 2.00 mm in diameter is perfectly connected to a wire of material B that is 90 cm long and of the same diameter. The resulting wire is stretched with 5 N tension between fixed supports 123 cm apart. The densities of A and B are 2000 kg/m³ and 605 kg/m³, respectively. (I) What is the lowest frequency of the standing wave for which there is 1(one) node at the junction between the two materials? (II) At the frequency of question (I), how many antinodes are there in the whole wire?
A wire of material A that is 33 cm long and 2.00 mm in diameter is perfectly connected to a wire of material B that is 90 cm long and of the same diameter. The resulting wire is stretched with 5 N tension between fixed supports 123 cm apart. The densities of A and B are 2000 kg/m³ and 605 kg/m³, respectively. (I) What is the lowest frequency of the standing wave for which there is 1(one) node at the junction between the two materials? (II) At the frequency of question (I), how many antinodes are there in the whole wire?
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A wire of material A that is 33 cm long and 2.00 mm in diameter is perfectly connected to a wire of material B that is 90 cm long and of the same diameter. The resulting wire is stretched with 5 N tension between fixed supports 123 cm apart. The densities of A and B are 2000 kg/m³ and 605 kg/m³, respectively. (I) What is the lowest frequency of the standing wave for which there is 1(one) node at the junction between the two materials? (II) At the frequency of question (I), how many antinodes are there in the whole wire?
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