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Question

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

695210_4999c4bde5b74d13ad509772dbc5bf27.png

A
0
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B
v2
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C
v
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D
2v
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Solution

The correct option is C v
1945545_695210_ans_30dfb66ea4544c6fa96ebad37d6ce35f.jpg

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