A particle is moving with a constant speed \( V \) in a circle. What is the magnitude of average....

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A particle is moving with a constant speed \( V \) in a
\( \mathrm{P} \)
circle. What is the magnitude of average velocity after one-fourth rotation?
(1) \( \frac{\pi V}{\sqrt{2}} \)
(2) \( \frac{\sqrt{2} V}{\pi} \)
(3) \( \frac{2 \sqrt{2} V}{\pi} \)
(4) \( \frac{\pi R}{2 V} \)


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