In a smooth horizontal groove two particles `m_(1)` and `m_(2)` collides match the two column under the given condition at t = 0 first collision takes place. Radius of the circular grove is R
A
P-2, Q-3, R-1, S-4
B
P-3, Q-2, R-4, S-1
C
P-4, Q-1, R-2, S-3
D
P-2, Q-1, R-4, S-3
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The correct Answer is:
D
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