Question

Select One Option Correct from the following : Two particles A and B initially at rest, move towards each other by mutual force of attraction. At the instant when the speed of A is v and the speed of B is 2v, the speed of the centre of mass of the system is
(A)3v
(B)v
(C)1.5v
(D)zero

Answer 1

a option is correct I think

Answer 2

Select One Option Correct from the following : Two particles A and B initially at rest, move towards each other by mutual force of attraction. At the instant when the speed of A is v and the speed of B is 2v, the speed of the centre of mass of the system is

✔️(A)3v

(B)v

(C)1.5v

(D)zero