A geostationary satellite is orbiting the earth at a height of 4R above the earth s surface. The time period of another satellite at a height of 2R is _____

A geostationary satellite is orbiting the earth at a height of 4R abov

1.	A geostationary satellite is orbiting the earth at a height of 4R above the earth s surface. The time period of another satellite at a height of 2R is _____
A.	24 x (3/5)<sup>1/2</sup> hr
B.	12 x (3/5)<sup>1/2</sup> hr
C.	6 x (3/5)<sup>1/2</sup> hr
D.	72 x (3/5)<sup>1/2</sup>1 hr
Answer» B. 12 x (3/5)<sup>1/2</sup> hr