The displacement-time graph for two particles \( A \) and \( B \) are straight lines inclined at...

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The displacement-time graph for two particles \( A \) and \( B \) are straight lines inclined at angles of \( 30^{\circ} \) and \( 60^{\circ} \) with the time axis. The ratio of velocities of \( V_{A}: V_{B} \) is
[CPMT 1990; MP PET 1999, 2001; Pb. PET 2003]
(a) \( 1: 2 \)
(b) \( 1: \sqrt{3} \)
(c) \( \sqrt{3}: 1 \)
(d) \( 1: 3 \)
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