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When a perosn throws a meter stivk it is...

When a perosn throws a meter stivk it is found that the centre of the stick is moving with speed `10 m//s` and left end stick with speed `20 m//s`. Both points move vertically upwards at that moment. Then angular speed the stick is :

A

`20 rad//s`

B

`10 rad//s`

C

`30 rad//s`

D

None of these

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The correct Answer is:
A
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