Question
The mean radius of the earth is R, its angular speed on its own axis is ω and the acceleration due to gravity at earth's surface is g. The cube of the radius of the orbit of a geostationary satellite will be
Answer: Option D
:
D
Orbitalvelocityv0=√GMr=√gR2randv0=rωThisgivesr3=R2gω2
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:
D
Orbitalvelocityv0=√GMr=√gR2randv0=rωThisgivesr3=R2gω2
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