Two particles \( A \) and \( B \) (of masse \( m \) and \( 4 m \) ) are released from rest in th...

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Two particles \( A \) and \( B \) (of masse \( m \) and \( 4 m \) ) are released from rest in the two tunnels as shown in the figure-6.93. Which particle will cross the equatorial plane first ?
W
(A) \( A \)
(B) \( B \)
(C) Both simultaneously
(D) Data insufficient
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