Physics

Problem

Planet Q rotates once in

30\,\text{h}

. An artificial satellite stays fixed over the same point on the planet’s equator at an orbital radius of

4.2\times10^{7}\,\text{m}

. Determine the mass of planet Q. a)

5.5\times10^{24}\,\text{kg}

1.9\times10^{24}\,\text{kg}

3.8\times10^{24}\,\text{kg}

7.6\times10^{24}\,\text{kg}