Q6. Two satellite $A$ and $B$ go round a planet in circular orbits having radii $4 R$ and $R$ respectively. If the speed of A is $3 v$, the speed of B will be : (1) $3 v$ (2) $6 v$ (3) $\frac { 4 } { 3 } v$ (4) $12 v$
Q6. Two satellite $A$ and $B$ go round a planet in circular orbits having radii $4 R$ and $R$ respectively. If the speed of A is $3 v$, the speed of B will be :\\
(1) $3 v$\\
(2) $6 v$\\
(3) $\frac { 4 } { 3 } v$\\
(4) $12 v$