Two objects P and Q initially at rest move towards each other under mu – McqOptions

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1.	Two objects P and Q initially at rest move towards each other under mutual force of attraction. At the instant when the velocity of P is v and that of Q is 2v, the velocity of centre of mass of the system is
A.	v
B.	3v
C.	2v
D.	zero
Answer» E.

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