Thank you both for ur replies...But i don't really understand the reason behind conclusion that COM will not move..I understand that acceleration of COM will be zero since there are no external forces present...but why can't we have a situation where COM moves with a constant velocity...
I am stuck with a problem. There are two point masses with values m1 and m2 respectively. Both are attached to the two ends of a spring with spring constant 'K'. Initially the spring has a elongation = X0, then it is released to follow its natural motion. We have to find the maximum distance...