Write the dimensional formula of $\frac{k}{m}$,where $k$ is the spring constant and $m$ is the mass.

  • A
    $[M^0 L^0 T^{-2}]$
  • B
    $[M^0 L^0 T^2]$
  • C
    $[M L T^{-2}]$
  • D
    $[M^{-1} L^0 T^2]$

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