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Starting from rest, a particle rotates i...

Starting from rest, a particle rotates in a circle of radius `R = sqrt2m` with an angular acceleration `alpha` =pi/4 rad/sec^2`. The Magnitude of average velocity of the particle over the time it rotates quarter circle is

A

1.5 m/(sec)

B

2 m/(sec)

C

1 m/(sec)

D

1.25 m/(sec)

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The correct Answer is:
C
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