Solve the Problem $= 8872 \mathrm {~km}$ Calculate the Period of the Satellite

Multiple Choice

Solve the problem.
-The orbit of a satellite had a semimajor axis of a $= 8872 \mathrm {~km}$ . Calculate the period of the satellite. (Earth's mass $= 5.975 \times 10 ^ { 24 } \mathrm {~kg}$ and $\mathrm { G } = 6.6720 \times 10 ^ { - 11 } \mathrm { Nm } ^ { 2 } \mathrm {~kg} - 2$ ) .

A) 78.2 min
B) 1.98 hr
C) 12 hr
D) 138.6 min