Zero g planet

If there were a planet with the mass 6×1024kg6\times 10^{24}\text{kg} and angular velocity 7×105 rad/s7\times10^{-5}\text{ rad/s} of Earth, what would be the radius required in order for the free-fall acceleration on its surface to be 0 m/s2? 0 \text{ m/s}^2?

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