The angular speed of earth in $rad/s$, so that bodies on equator may appear weightless is : [Use $g = 10\, m/s^2$ and the radius of earth $= 6.4 \times 10^3\, km$]

  • A

    $1.25 \times {10^{ - 3}}$

  • B

    $1.56 \times {10^{ - 3}}$

  • C

    $1.25 \times {10^{ - 1}}$

  • D

    $1.56$

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