Physics · 2010
NEET 2010 · Prelims · Code A · Q11
Two particles which are initially at rest, move towards each other under the action of their internal attraction. If their speeds are v and 2 v at…
Two particles which are initially at rest, move towards each other under the action of their internal attraction. If their speeds are $\displaystyle v$ and $\displaystyle 2 v$ at any instant, then the speed of centre of mass of the system will be :
Official answer
(3)
Zero
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