$A$ uniform metal wire has length $L$,mass $M$,and cross-sectional area $A$. It is under tension $T$,and $V$ is the speed of a transverse wave along the wire. The density of the wire is:

  • A
    $\frac{A T}{V^2}$
  • B
    $\frac{T}{A^2 V}$
  • C
    $\frac{T}{V^2 A}$
  • D
    $\frac{V^2}{A^2 T}$

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$A$ uniform metal wire has length $L$,mass $M$,and density $\rho$. It is under tension $T$,and $v$ is the speed of a transverse wave along the wire. The area of cross-section of the wire is:

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