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Three particles A, B and C of equal mass move with equal speed V along the medians of an equilateral triangle as shown in hgure. They collide at the centroid G of the triangle. After the collision, A comes to test, B retraces its path with the speed V. What is the velocity of C ?

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Verified by Experts

The correct Answer is:
`vec(v)_(c ) = -vec(v)_(B)`
COLM : implies that `vec(v)_(C )` & `vec(v)_(B)` are opposite to each other.
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ALLEN-CENTRE OF MASS-EXERCISE-IV A
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