Questions
The orbital velocity of an artificial satellite in a circular orbit just above the earth's surface is v. For a satellite orbiting at an altitude of half of the earth's radius, the orbital velocity is
a
32v
b
32v
c
23v
d
23v
detailed solution
Correct option is C
mv2R=GMmR2 ......(i)and mv'2R'=GMmR'2 .........(ii)Dividing Eq. (i) by Eq. (ii), v2v'2=R'R⇒v'v=RR'=23 ∵R'=3R2⇒v'=23vTalk to our academic expert!
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