Question

Two particles $A$ and $B$ initially at rest move towards each other under a mutual force of attraction. The speed of center of mass at the instant when the speed of $A$ is $v$ and the speed of $B$ is $2v$ is

• A. $v$
• B. Zero
• C. $2v$
• D. $\frac{3v}{2}$

Answer 1

The correct option is B Zero

Under mutual force of attraction, the velocity of COM is zero.