A satellite revolves in an orbit close to the surface of a planet of mean density `5.51 xx 10^(3) kg m^(-3)`. Calculate the time period of satellite.
Given `G = 6.67 xx 10^(-11) Nm^(2) kg^(-2)`.

Explanation

To calculate the time period of a satellite revolving in an orbit close to the surface of a planet, we can use the following steps:

### Step 1: Understand the relationship between the time period and the radius of the orbit.
The time period \( T \) of a satellite in orbit can be derived from the formula:
\[ T = 2\pi \sqrt{\frac{r^3}{GM}} \]
where:
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