Physics

Problem

An artificial satellite P circles Earth at a distance of

7000\,\text{km}

from Earth’s centre and completes one revolution in

5800\,\text{s}

. Another satellite Q moves in a circular orbit of radius

14\,000\,\text{km}

. The time period of Q is approximately a)

1.2\times10^{4}\,\text{s}

8.2\times10^{3}\,\text{s}

1.6\times10^{4}\,\text{s}

2.3\times10^{4}\,\text{s}