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A wire stretched between two rigid supports vibrates in its fundamental mode with a frequency of 45 Hz. The mass of the wire is `3.5 × 10^(–2)` kg and its linear mass density is `4.0 × 10^(–2)` kg `m^(–1)`. What is (a) the speed of a transverse wave on the string, and (b) the tension in the string?

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