Two satellites A and B go round a planet in circular orbit of radii 4 R and R respectively. If the speed of satellite A is 4 v, then the speed fo sate
Two satellites A and B go round a planet in circular orbit of radii 4 R and R respectively. If the speed of satellite A is 4 v, then the speed fo satellite B will be
A. 12 v
B. 8 v
C. 4 v
D. v
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Correct Answer - b
`V_(1) prop (1)/(sqrt(r_(1)))and V_(2)prop (1)/(sqrt(r_(2)))`
`(v_(2))/(v_(1))=sqrt((r_(2))/(r_(1)))`
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