A satellite revolves around Mars in a circular orbit with speed

PHYSICS · Single correct · A Level · Physics · Fields and their consequences · Fields and their consequences

Problem

3.0\,\text{km/s}

. Given the Martian radius

R_M = 3390\,\text{km}

and

GM_M = 4.24 \times 10^{13}\,\text{m}^3\text{s}^{-2}

, determine its altitude above the Martian surface. (a)

800\,\text{km}

(b)

4.7\times10^{3}\,\text{km}

(c)

1.3\times10^{3}\,\text{km}

(d)

470\,\text{km}