A body moving in uniform circular motion with speed \( \mathrm{P} \) \( v \), the magnitude of c...

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A body moving in uniform circular motion with speed
\( \mathrm{P} \) \( v \), the magnitude of change in its velocity after it rotate

W by an angle \( 120^{\circ} \) is
(1) \( 2 v \)
(2) \( \sqrt{3} v \)
(3) \( v \)
(4) \( \frac{v \sqrt{3}}{2} \)
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