The dimensions of $K$ in the equation $W = \frac{1}{2}\,\,K{x^2}$ is

  • A

    ${M^1}{L^0}{T^{ - 2}}$

  • B

    ${M^0}{L^1}{T^{ - 1}}$

  • C

    ${M^1}{L^1}{T^{ - 2}}$

  • D

    ${M^1}{L^0}{T^{ - 1}}$

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