Two points A \& B on a disc have velocities \( \mathrm{v}_{1} \) \& \( \mathrm{v}_{2} \) at some...

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Two points A \& B on a disc have velocities \( \mathrm{v}_{1} \) \& \( \mathrm{v}_{2} \) at some moment. Their directions make angles
\( \mathrm{P} \)
\( 60^{\circ} \) and \( 30^{\circ} \) respectively with the line of
W
separation as shown in figure. The angular velocity of disc is:
(1) \( \frac{\sqrt{3} v_{1}}{d} \)
(2) \( \frac{v_{2}}{\sqrt{3} d} \)
(3) \( \frac{v_{2}-v_{1}}{d} \)
(4) \( \frac{v_{2}}{d} \)
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