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)1/2 hr
B. 12 x (3/5)1/2 hr
C. 6 x (3/5)1/2 hr
D. 72 x (3/5)1/21 hr
Answer» B.


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