A) 3v
B) 2v
C) 1.5 v
D) v
E) zero
Correct Answer: E
Solution :
When the sum of the external forces acting on a system vanishes, the velocity of the centre of mass of the system remains constant. In this case the two bodies move under mutual force of attraction, hence speed of centre of mass of the bodies is zero.You need to login to perform this action.
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