Gravitation Question 274

Question: Two satellites A and B go round a planet in circular orbits having radii 4R and R, respectively. If the speed of satellite A is 3v, then speed of satellite B is [Pb. PET 2004]

Options:

A) [3v2]

B) [4v2]

C) [6v]

D) [12v]

Show Answer

Answer:

Correct Answer: C

Solution:

[vBvA=rArB=4RR=2] Þ [vB=2×vA=2×3v=6v]



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