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A small satellite revolves round a plane...

A small satellite revolves round a planet in an orbit just above planet's surface. Taking the mean density of planet 8000 kg m^-3 and g= 6.67 * 10^(-11) ,Nm^-2/kg^-2 ,.calculate the time period of the satellite.

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The correct Answer is:
`sqrt((3pi)/(G rho))`
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