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A ball is projected with 20sqrt2 m/s at ...

A ball is projected with `20sqrt2` m/s at angle `45^(@)` with horizontal. The angular velocity of the particle at highest point of its journey about point of projection is

A

0.1 rad/s

B

0.2 rad/s

C

0.3 rad/s

D

0.4 rad/s

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The correct Answer is:
B
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